PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1281C7Snap Hook

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-00-781-3919 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-781-3919 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-781-3919. Primary manufacturer part number: NAS1281C7.
Features
  • Snap Hook — FSC 5340
  • Material: COPPER ALLOY 511 BLADE
  • Material: COPPER ALLOY HOOK
  • Material: COPPER ALLOY CONNECTION END
  • Design Type: FIXED
  • End Position: CONNECTION END AT RIGHT ANGLE TO PLANE OF HOOK END
  • Unattached Ring: NOT INCLUDED
  • Hook Style Designator: SPRING BLADE
Applications
  • Applications requiring Copper Alloy 511 Blade construction
General Description

The Snap Hook, cataloged under National Stock Number 5340-00-781-3919, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-781-3919
Primary Part NumberNAS1281C7
Item NameSnap Hook
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
MaterialCOPPER ALLOY 511 BLADE
MaterialCOPPER ALLOY HOOK
MaterialCOPPER ALLOY CONNECTION END
Design TypeFIXED
End PositionCONNECTION END AT RIGHT ANGLE TO PLANE OF HOOK END
Unattached RingNOT INCLUDED
Hook Style DesignatorSPRING BLADE
Rubber Covered FeatureNOT INCLUDED
Inside Diameter0.437 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
End Connection StyleROUND EYE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
5950-00-190-1072 INTERCHANGEABLE
Reactor
4930-00-274-5713 INTERCHANGEABLE
Oiler,hand
3120-00-354-84621646 INTERCHANGEABLE
Bushing,sleeve
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5975-00-958-5140STB150 INTERCHANGEABLE
Box Connector,electrical
Egs Electrical Group Appleton Div
1005-01-141-65635336 INTERCHANGEABLE
Trigger
Smith & Wesson Sales Company
5975-01-334-47305336 INTERCHANGEABLE
Conduit Outlet
Raco, a Division of Hubbell Incorporated(delaware)
5130-01-349-25925336 INTERCHANGEABLE
Socket,socket Wrench
Apex Tool Group, Llc
5120-01-428-4684 INTERCHANGEABLE
Socket,socket Wrench
7510-01-672-80585336 INTERCHANGEABLE
Portfolio
Klein Tools Inc Zah Group Inc Div International Sales
5365-01-678-02885336716 INTERCHANGEABLE
Bushing,nonmetallic
Polaris Industries Inc
Cross-Reference Index
Part NumberManufacturer
SMC158374-3 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
P5336-7-16A1 Buckles International, Inc. (USA)
10117450 Nimikkeistokeskus Ncb Finland (FIN)
5336 Buckles International, Inc. (USA)
NAS1281C7 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5340007813919 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
5336-7-16 Buckles International, Inc. (USA)
8908174 Us Army Aviation and Missile Command (USA)
Related Parts
5950-00-190-1072INTERCHANGEABLE
REACTOR
4930-00-274-5713INTERCHANGEABLE
OILER,HAND
3120-00-354-8462INTERCHANGEABLE
BUSHING,SLEEVE
1646
5975-00-958-5140INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
STB150
1005-01-141-6563INTERCHANGEABLE
TRIGGER
5336
5975-01-334-4730INTERCHANGEABLE
CONDUIT OUTLET
5336
5130-01-349-2592INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5336
5120-01-428-4684INTERCHANGEABLE
SOCKET,SOCKET WRENCH
7510-01-672-8058INTERCHANGEABLE
PORTFOLIO
5336
5365-01-678-0288INTERCHANGEABLE
BUSHING,NONMETALLIC
5336716

Frequently Asked Questions

What is NSN 5340-00-781-3919?

NSN 5340-00-781-3919 is a Snap Hook, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-781-3919?

NSN 5340-00-781-3919 has 8 cross-referenced part numbers: SMC158374-3 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), P5336-7-16A1 (Buckles International, Inc.), 10117450 (Nimikkeistokeskus Ncb Finland), 5336 (Buckles International, Inc.), NAS1281C7 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 3 more.

What NSN replaces 5340-00-781-3919?

There are 10 known substitutes for 5340-00-781-3919: 5950-00-190-1072, 4930-00-274-5713, 3120-00-354-8462 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1281C7?

Key specifications for NAS1281C7: Material: COPPER ALLOY 511 BLADE; Material: COPPER ALLOY HOOK; Material: COPPER ALLOY CONNECTION END; Design Type: FIXED. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-781-3919 still in active supply?

NSN 5340-00-781-3919 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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