NSN 5340-01-058-4890 42540A, 01-058-4890, 010584890

Product Details | HELICAL COMPRESSION SPRING SEAT

5340-01-058-4890 A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a RETAINER, HELICAL COMPRESSION SPRING. Excludes WASHER (1), (as modified); SEAT, BALL SOCKET and HOLDER, SPRING. See also ROTOR, ENGINE POPPET VALVE.

Part Alternates: 42540A, 5340-01-058-4890, 01-058-4890, 5340010584890, 010584890

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	28 MAR 1978	01-058-4890	24328 ( SEAT, HELICAL COMPRESSION SPRING )

Drawings & Photos | NSN 5340-01-058-4890

Part Number	Request Date	QTY	Origin
42540A	2019-10-303	5	DIBBS
42540A	2019-08-241	5	DIBBS
42540A	2019-04-93	5	DIBBS
5340-01-058-4890	2018-11-332	2	DIBBS
5340-01-058-4890	2015-08-232	2	DIBBS
5340-01-058-4890	2015-08-221	2	DIBBS
5340-01-058-4890	2015-06-156	7	DIBBS
5340-01-058-4890	2015-05-145	7	DIBBS
5340-01-058-4890	2014-06-153	6	DIBBS
5340-01-058-4890	2014-05-141	6	DIBBS
5340-01-058-4890	2014-04-114	4	DIBBS
5340-01-058-4890	2014-04-103	4	DIBBS
5340-01-058-4890	2013-08-227	5	DIBBS
5340-01-058-4890	2013-03-81	5	DIBBS
5340-01-058-4890	2012-08-215	6	DIBBS
5340-01-058-4890	2011-12-346	5	DIBBS
5340-01-058-4890	2011-11-322	5	DIBBS

Cross Reference | NSN 5340-01-058-4890

Part Number	Cage Code	Manufacturer
42540A	73760	ITT CORPORATION DBA ITT AEROSPACE CONTROLS

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Related Products | NSN 5340-01-058-4890

5340-01-058-5159, 5340-01-058-5195, 5340-01-058-5198, 5340-01-058-5554, 5340-01-058-5680

Technical Data | NSN 5340-01-058-4890

Characteristic	Specifications
MATERIAL	STEEL, AMS 5643
MATERIAL HARDNESS RATING	NOT RATED
SURFACE TREATMENT	PASSIVATED, QQ-P-35
STYLE DESIGNATOR	N1 SEAT
OVERALL HEIGHT	0.3500 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP	0.2800 INCHES NOMINAL
FIRST STEP DIAMETER	0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM
COUNTERBORE LENGTH	0.1350 INCHES NOMINAL
COUNTERBORE DIAMETER	0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM
DESIGN TYPE	SOLID
MANUFACTURERS CODE	73760
DESIGN CONTROL REFERENCE	42540A

Restrictions/Controls & Freight Information | NSN 5340-01-058-4890

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	P	There is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
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	051080	FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating	S	60
Less than truck load rating	W	Rating Variable
Water commodity Code	576	unknown
Originating Activity Code	SE	San Antonio Air Logistics Center Kelly AFB, TX 78241-5000
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	Z	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 5340-01-058-4890

Air Force

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. The price has not been analyzed or reviewed for accuracy. ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each