NSN 5310-00-044-5138 · NIIN 000445138 · Part number 445138
General Motors Llc Dba General Motors Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 7X677
Government record, cited
NSN 5310-00-044-5138 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-044-5138. Manufacturer of record part number: 445138.
Also searched as5310-00-044-5138 ·
5310000445138 ·
NIIN 000445138 ·
00-044-5138 ·
FSC 5310 Nuts and Washers · CAGE 7X677 · 445138 · A1779-10Z3 · NAS446-5
Material Document and Classification: ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
Material Thickness: 0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
Mating Member Diameter Accommodated: 0.190 INCHES NOMINAL IN
Surface Treatment: PHOSPHATE OR CHROMATE ZINC OVERALL
Nut Style: SHEET SPRING
Identification
NSN: 5310-00-044-5138
NIIN: 000445138
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 445138
Manufacturer: General Motors Llc Dba General Motors Llc
General Description
The Nut,sheet Spring, cataloged under National Stock Number 5310-00-044-5138, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-044-5138
Primary Part Number
445138
Item Name
Nut,sheet Spring
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
General Motors Llc Dba General Motors Llc
Status
ACTIVE
Nut Width
0.500 INCHES NOMINAL IN
Nut Length
0.750 INCHES NOMINAL IN
Material Document and Classification
ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
Material Thickness
0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
Mating Member Diameter Accommodated
0.190 INCHES NOMINAL IN
Surface Treatment
PHOSPHATE OR CHROMATE ZINC OVERALL
Nut Style
SHEET SPRING
Material
STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1552 OR STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090 OR STEEL COMP 1095 OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-00-543-4668NAS395-24-1POSSIBLE MATCH
NUT,SHEET SPRING
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-595-9139POSSIBLE MATCH
NUT,SHEET SPRING
Possible match (shared part number)
5310-00-596-6410NAS395-31-1POSSIBLE MATCH
NUT,SHEET SPRING
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-800-6212NAS395-1-3POSSIBLE MATCH
NUT,SHEET SPRING
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-801-0535NAS395-5-3POSSIBLE MATCH
NUT,SHEET SPRING
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-827-0376NAS446-4POSSIBLE MATCH
NUT,SHEET SPRING
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
NSN 5310-00-044-5138 is a Nut,sheet Spring, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-044-5138?
NSN 5310-00-044-5138 has 2 manufacturer part numbers on file: 445138 (General Motors Llc Dba General Motors Llc), 445138 (Army Weapons Command Attn Amswe-Ree-S).
What NSN replaces 5310-00-044-5138?
6 possible matches (shared part number, not a government interchangeability claim): 5310-00-543-4668, 5310-00-595-9139, 5310-00-596-6410. Verify interchangeability with system specifications before substitution.
What are the specifications of 445138?
Key specifications for 445138: Nut Width: 0.500 INCHES NOMINAL IN; Nut Length: 0.750 INCHES NOMINAL IN; Material Document and Classification: ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL; Material Thickness: 0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-044-5138 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.