PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

82121Spring,helical,compression

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · NSN 5360-01-358-7910 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-01-358-7910 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-358-7910. Primary manufacturer part number: 82121.
Features
  • Spring,helical,compression — FSC 5360
  • Coil Quantity: 7
  • 2 verified cross-references
  • Primary manufacturer: Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-01-358-7910, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-01-358-7910
Primary Part Number82121
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
StatusACTIVE
Coil Quantity7
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4720-01-011-458926513 INTERCHANGEABLE
Hose,preformed
Gates Corporation
6620-01-100-318182121 INTERCHANGEABLE
Gage,pressure,dial Indicating
Maxima Technologies & Systems Llc Dba Maxima Technologies/steward-Warner
2815-01-114-193850109800 INTERCHANGEABLE
Ring,piston
Hatz Diesel of America Inc
5975-01-115-58978212-1 INTERCHANGEABLE
Conduit,metal,flexible
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
1650-01-173-53198212-1 INTERCHANGEABLE
Piston,outer,valve Assembly
Goodrich Aerospace Canada Ltd
5325-01-461-3239 INTERCHANGEABLE
Ring,retaining
6685-01-591-620782121 INTERCHANGEABLE
Gage,pressure,dial Indicating
Maxima Technologies & Systems Llc
5110-01-714-3679 INTERCHANGEABLE
Pliers,diagonal Cutting
Cross-Reference Index
Part NumberManufacturer
978904 Heckler & Koch Gmbh (DEU)
82121 PRIMARY Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
Related Parts
4720-01-011-4589INTERCHANGEABLE
HOSE,PREFORMED
26513
6620-01-100-3181INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
82121
2815-01-114-1938INTERCHANGEABLE
RING,PISTON
50109800
5975-01-115-5897INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
8212-1
1650-01-173-5319INTERCHANGEABLE
PISTON,OUTER,VALVE ASSEMBLY
8212-1
5325-01-461-3239INTERCHANGEABLE
RING,RETAINING
6685-01-591-6207INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
82121
5110-01-714-3679INTERCHANGEABLE
PLIERS,DIAGONAL CUTTING

Frequently Asked Questions

What is NSN 5360-01-358-7910?

NSN 5360-01-358-7910 is a Spring,helical,compression, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-01-358-7910?

NSN 5360-01-358-7910 has 2 cross-referenced part numbers: 978904 (Heckler & Koch Gmbh), 82121 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).

What NSN replaces 5360-01-358-7910?

There are 8 known substitutes for 5360-01-358-7910: 4720-01-011-4589, 6620-01-100-3181, 2815-01-114-1938 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 82121?

Key specifications for 82121: End Item Identification: 1005-01-347-4857,BARRETT .50 CALIBER SEMI-AUTOMATIC RIFLE,MODEL 82A1A; Coil Quantity: 7. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com