PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18738Wrench,combination,special Purpo

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · NSN 5120-01-690-3837 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-690-3837 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-690-3837. Primary manufacturer part number: 18738.
Features
  • Wrench,combination,special Purpo — FSC 5120
  • 1 verified cross-reference
  • Primary manufacturer: Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Wrench,combination,special Purpo, cataloged under National Stock Number 5120-01-690-3837, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-690-3837
Primary Part Number18738
Item NameWrench,combination,special Purpo
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1270-00-832-305518738 INTERCHANGEABLE
Plate,rear Internal
Ametek, Inc. Dba Aerospace Gst Div Aerospace
1075-00-867-67163286168 INTERCHANGEABLE
Pin Assembly
Naval Ship Systems Command
3110-01-306-6564CF 1-7 INTERCHANGEABLE
Cam Follower,needle Bearing
Mcgill Manufacturing Co, Inc
6510-01-588-20352444 INTERCHANGEABLE
Bandage,elastic
Molnlycke Health Care Us, Llc Dba Molnlycke Health Care Us Div Molnlycke Health Care
Cross-Reference Index
Part NumberManufacturer
18738 PRIMARY Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
Related Parts
1270-00-832-3055INTERCHANGEABLE
PLATE,REAR INTERNAL
18738
1075-00-867-6716INTERCHANGEABLE
PIN ASSEMBLY
3286168
3110-01-306-6564INTERCHANGEABLE
CAM FOLLOWER,NEEDLE BEARING
CF 1-7
6510-01-588-2035INTERCHANGEABLE
BANDAGE,ELASTIC
2444

Frequently Asked Questions

What is NSN 5120-01-690-3837?

NSN 5120-01-690-3837 is a Wrench,combination,special Purpo, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-690-3837?

NSN 5120-01-690-3837 has 1 cross-referenced part number: 18738 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).

What NSN replaces 5120-01-690-3837?

There are 4 known substitutes for 5120-01-690-3837: 1270-00-832-3055, 1075-00-867-6716, 3110-01-306-6564 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18738?

Key specifications for 18738: Part Name Assigned by Controlling Agency: WRENCH, 3/8", LARUE, MK22; Special Features: WRENCH, 3/8", LARUE. NHA NSN: 1005-01-680-5237, SNIPER RIFLE.. 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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