NSN 5305-00-721-3021 2-56UNC-2AX5-16 BRASS FLAT HD, 256UNC2AX516BRASSFLATHD, 873892
Product Details | MACHINE SCREW
5305-00-721-3021 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Part Alternates: 2-56UNC-2AX5-16 BRASS FLAT HD, 256UNC2AX516BRASSFLATHD, 873892, 873892-064, 87389264, 873892-64, 5305-00-721-3021, 00-721-3021, 5305007213021, 007213021, 873892064
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-721-3021 | 06657 ( SCREW, MACHINE ) |
Drawings & Photos | NSN 5305-00-721-3021
Demand History | NSN 5305-00-721-3021
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5305-00-721-3021 | 2019-01-30 | 663 | DIBBS |
| 5305-00-721-3021 | 2017-05-04 | 243 | DIBBS |
| 5305-00-721-3021 | 2017-03-15 | 400 | DIBBS |
| 5305-00-721-3021 | 2017-02-20 | 420 | DIBBS |
| 873892064 | 2014-09-17 | 243 | US |
| 5305-00-721-3021 | 2014-09-16 | 243 | DIBBS |
| 5305-00-721-3021 | 2014-09-15 | 400 | DIBBS |
| 5305-00-721-3021 | 2009-01-14 | 244 | DIBBS |
| 5305-00-721-3021 | 2008-12-08 | 331 | DIBBS |
Cross Reference | NSN 5305-00-721-3021
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2-56UNC-2AX5-16 BRASS FLAT HD | 73439 | AMSCO PRODUCTS CAMCAR DIV |
| 873892 | 07187 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL |
| 873892-064 | 07187 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL |
| 873892-064 | 56232 | LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN |
| 873892-64 | 07187 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL |
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Technical Data | NSN 5305-00-721-3021
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| THREAD QUANTITY PER INCH | 56 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.312 INCHES MAXIMUM |
| FASTENER LENGTH | 0.312 INCHES NOMINAL |
| SCREW MATERIAL | COPPER ALLOY |
| HEAD STYLE | A39 FLAT COUNTERSUNK |
| HEAD DIAMETER | 0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | B1 CROSS RECESS TYPE 1 |
| MANUFACTURERS CODE | 07187 |
| DESIGN CONTROL REFERENCE | 873892-064 |
Restrictions/Controls & Freight Information | NSN 5305-00-721-3021
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 096630 | SCREWS NOI BRASS/BRONZE/COPPER |
| Less than car load rating | ||
| Less than truck load rating | Q | 70.0 |
| Water commodity Code | 713 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 5305-00-721-3021
Air Force
Navy| Category | Code | Description |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Price Validation | N | The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
|
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Materiel Management Aggregation Code | SX | SX:AF SICA RESIDUAL MMAC-OC-ALC |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
Q EA : Each |
| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
Q EA : Each |