NSN 5340-01-187-9402, 5340011879402
SNAP HOOK

Federal Supply Classification: FSC 5340 - Hardware, Commercial
National Item Identification Number: NIIN 011879402
Codification Country: United States
Item Name Code: INC 16954
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (P) There is no information in the HMIRS; 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.

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DLMS^® Summary

National Stock Number 5340-01-187-9402

National Stock Number (NSN) 5340-01-187-9402, or NIIN 011879402, (snap hook) was assigned August 29, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A624FCPJ6, SPE4A623FBX82, SPE5EK16M1489. The total value of the awarded contracts has been US$ 6,329.40.

This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 16954. [A METAL FASTENING DEVICE ONE OR BOTH ENDS OF WHICH ARE HOOK SHAPED WITH A CLOSING OR LOCKING DEVICE OVER THE THROAT OPENING WHICH IS HELD CLOSED BY SPRING ACTION. IF HOOK SHAPED ON ONE END ONLY THE OPPOSITE END IS PROVIDED WITH A FIXED, LOOSE, OR SWIVEL LOOP OR OPENING FOR CONNECTING TO ANOTHER ITEM. EXCLUDES:CARGO HOOKS WITH SAFETY DEVICES.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; 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. NSN 5340011879402 does not contain precious metals.

This NSN is associated to Schedule B 7318159000: threaded fasteners nesoi of iron or steel. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on May 01, 2025.

Technical Characteristics

END CONNECTION STYLE: (AJFX) LOOP
DESIGN TYPE: (APGF) FIXED
END POSITION: (BNWZ) CONNECTION END IN SAME PLANE AS HOOK END
HOOK STYLE DESIGNATOR: (BYCB) SPRING BLADE
INSIDE WIDTH: (ADJT) 0.281 INCHES NOMINAL
INSIDE LENGTH: (ADJU) 1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
OVERALL LENGTH: (ABHP) 1.875 INCHES MINIMUM AND 2.094 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) AISI C1008 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1015 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1018 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1020 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1009 ASSN STD SINGLE MATERIAL RESPONSE HOOK
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) AISI C1008 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1015 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1018 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1020 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1009 ASSN STD SINGLE MATERIAL RESPONSE CONNECTION END
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) ASTM A682 GRADE 1050 THRU 1095 ASSN STD SINGLE MATERIAL RESPONSE BLADE
MATERIAL: (MATT) STEEL COMP 1008 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1009 CONNECTION END
MATERIAL: (MATT) STEEL COMP 1008 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1009 HOOK
MATERIAL: (MATT) STEEL BLADE
RUBBER COVERED FEATURE: (BWQR) NOT INCLUDED
SPECIAL FEATURES: (FEAT) ITEM HAS WIDE MOUTH
UNATTACHED RING: (BWQS) NOT INCLUDED
UNABLE TO DECODE: (SURF) UNABLE TO DECODE OR UNABLE TO DECODE
UNABLE TO DECODE: (AJLC) UNABLE TO DECODE
UNABLE TO DECODE: (BWQQ) UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE
CONNECTION END MATERIAL: (BWQQ) STEEL, AISI C1008 OR STEEL, AISI C1015 OR STEEL, AISI C1018 OR STEEL, AISI C1020 OR STEEL AISI C1009
BLADE MATERIAL: (AJLC) STEEL ASTM A682 GRADE 1050 THRU 1095
UNABLE TO DECODE: (BQQG) UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE
SURFACE TREATMENT: (SURF) ENAMEL, MIL-E-480, TYPE 1-CANCELED OR ENAMEL, MIL-E-480, TYPE 2-CANCELED
HOOK MATERIAL: (BQQG) STEEL, AISI C1008 OR STEEL, AISI C1015 OR STEEL, AISI C1018 OR STEEL, AISI C1020 OR STEEL AISI C1009