PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22515Jaw,vise,hand

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 5120-01-590-8931 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-590-8931 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-590-8931. Primary manufacturer part number: 22515.
Features
  • Jaw,vise,hand — FSC 5120
  • Functional Description: USED TO ALIGN AND HOLD UPPER RECEIVER EXTENSION AND UPPER RECEIVER ALLOWING THEM TO BE CLAMPED IN VISE FOR BARREL NUT TORQUING
  • 1 verified cross-reference
  • Primary manufacturer: Charles Reed Knight Jr Dba Knight's Armament Company
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Jaw,vise,hand, cataloged under National Stock Number 5120-01-590-8931, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Charles Reed Knight Jr Dba Knight's Armament Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5120-01-590-8931
Primary Part Number22515
Item NameJaw,vise,hand
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCharles Reed Knight Jr Dba Knight's Armament Company
StatusACTIVE
Functional DescriptionUSED TO ALIGN AND HOLD UPPER RECEIVER EXTENSION AND UPPER RECEIVER ALLOWING THEM TO BE CLAMPED IN VISE FOR BARREL NUT TORQUING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5331-00-833-7491MS28778-5 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5330-01-039-012253X4505 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
1650-01-056-691622515 INTERCHANGEABLE
Filter,vent,reservoir
Pall Aeropower Corporation
5330-01-067-027622515 INTERCHANGEABLE
Seal
Paccar Winch Inc Dba Paccar Winch Division
3120-01-314-557523693 INTERCHANGEABLE
Bushing,sleeve
Augusta Engine Parts, Inc. Dba Augusta Engine Parts, Inc.
4130-01-335-831622515 INTERCHANGEABLE
Crankshaft,compressor
Blissfield Manufacturing Company
2530-01-340-145322515 INTERCHANGEABLE
Piston,valve
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4730-01-628-973622515 INTERCHANGEABLE
Restrictor,fluid Flow
Forenta Lp
Cross-Reference Index
Part NumberManufacturer
22515 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
5331-00-833-7491INTERCHANGEABLE
O-RING
MS28778-5
5330-01-039-0122INTERCHANGEABLE
SEAL,PLAIN ENCASED
53X4505
1650-01-056-6916INTERCHANGEABLE
FILTER,VENT,RESERVOIR
22515
5330-01-067-0276INTERCHANGEABLE
SEAL
22515
3120-01-314-5575INTERCHANGEABLE
BUSHING,SLEEVE
23693
4130-01-335-8316INTERCHANGEABLE
CRANKSHAFT,COMPRESSOR
22515
2530-01-340-1453INTERCHANGEABLE
PISTON,VALVE
22515
4730-01-628-9736INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
22515

Frequently Asked Questions

What is NSN 5120-01-590-8931?

NSN 5120-01-590-8931 is a Jaw,vise,hand, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-590-8931?

NSN 5120-01-590-8931 has 1 cross-referenced part number: 22515 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 5120-01-590-8931?

There are 8 known substitutes for 5120-01-590-8931: 5331-00-833-7491, 5330-01-039-0122, 1650-01-056-6916 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22515?

Key specifications for 22515: End Item Identification: NSN 5280-01-572-8425 GAGE KIT,SMALL ARMS,ARMORER'S; Functional Description: USED TO ALIGN AND HOLD UPPER RECEIVER EXTENSION AND UPPER RECEIVER ALLOWING THEM TO BE CLAMPED IN VISE FOR BARREL NUT TORQUING. 2 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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