PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2987-5/8Snap Hook

Baron Manufacturing Co Llc · NSN 5340-01-391-9181 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-391-9181 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-391-9181. Primary manufacturer part number: 2987-5/8.
Features
  • Snap Hook — FSC 5340
  • Material: STEEL HOOK
  • Hook Style Designator: PIVOT
  • Unattached Ring: NOT INCLUDED
  • Rubber Covered Feature: NOT INCLUDED
  • Design Type: LOOSE
  • End Connection Style: ROUND EYE
  • Inside Diameter: 0.625 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Hook construction
General Description

The Snap Hook, cataloged under National Stock Number 5340-01-391-9181, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Baron Manufacturing Co Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-391-9181
Primary Part Number2987-5/8
Item NameSnap Hook
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBaron Manufacturing Co Llc
StatusACTIVE
MaterialSTEEL HOOK
Hook Style DesignatorPIVOT
Unattached RingNOT INCLUDED
Rubber Covered FeatureNOT INCLUDED
Design TypeLOOSE
End Connection StyleROUND EYE
Inside Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
5310-00-209-34767745389 INTERCHANGEABLE
Washer,recessed
U S Army Tank Automotive Command Amsta-Im-Mm
5315-00-276-538516X79 INTERCHANGEABLE
Key,machine
Meritor Industrial Products, Llc
5935-00-341-0402 INTERCHANGEABLE
Connector,plug,electrical
5310-00-579-5121314278 INTERCHANGEABLE
Nut,self-Locking,hexagon
Howmet Global Fastening Systems Inc. Div Tridair Products
Cross-Reference Index
Part NumberManufacturer
004C3021-1 Columbus Jack Corporation Div Columbus Jack (USA)
3142-7/8 Moore Paul Co (USA)
2987-5/8 PRIMARY Baron Manufacturing Co Llc (USA)
Related Parts
5310-00-209-3476INTERCHANGEABLE
WASHER,RECESSED
7745389
5315-00-276-5385INTERCHANGEABLE
KEY,MACHINE
16X79
5935-00-341-0402INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5310-00-579-5121INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
314278

Frequently Asked Questions

What is NSN 5340-01-391-9181?

NSN 5340-01-391-9181 is a Snap Hook, manufactured by Baron Manufacturing Co Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-391-9181?

NSN 5340-01-391-9181 has 3 cross-referenced part numbers: 004C3021-1 (Columbus Jack Corporation Div Columbus Jack), 3142-7/8 (Moore Paul Co), 2987-5/8 (Baron Manufacturing Co Llc).

What NSN replaces 5340-01-391-9181?

There are 4 known substitutes for 5340-01-391-9181: 5310-00-209-3476, 5315-00-276-5385, 5935-00-341-0402 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2987-5/8?

Key specifications for 2987-5/8: Material: STEEL HOOK; Hook Style Designator: PIVOT; Unattached Ring: NOT INCLUDED; Rubber Covered Feature: NOT INCLUDED. 8 total characteristics are documented in the Federal Logistics Information System.

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