NSN 5310-01-076-4275 · NIIN 010764275 · Part number 8350978
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 19207
Government record, cited
NSN 5310-01-076-4275 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-076-4275. Manufacturer of record part number: 8350978.
Also searched as5310-01-076-4275 ·
5310010764275 ·
NIIN 010764275 ·
01-076-4275 ·
FSC 5310 Nuts and Washers · CAGE 19207 · 8350978
Distance From Centerline to Bottom of Internal Keyway: 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
Internal Keyway Width: 0.240 INCHES NOMINAL IN
Hardness Rating: 60.0 ROCKWELL C NOMINAL
Outside Diameter: 1.500 INCHES NOMINAL IN
Material Thickness: 0.156 INCHES NOMINAL IN
Material: STEEL OVERALL
Hole Diameter: 0.752 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
Identification
NSN: 5310-01-076-4275
NIIN: 010764275
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 8350978
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Washer,keyway, cataloged under National Stock Number 5310-01-076-4275, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-076-4275
Primary Part Number
8350978
Item Name
Washer,keyway
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
U S Army Tank Automotive Command Amsta-Im-Mm
Status
ACTIVE
Distance From Centerline to Bottom of Internal Keyway
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-076-4275?
NSN 5310-01-076-4275 is a Washer,keyway, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-076-4275?
NSN 5310-01-076-4275 has 1 manufacturer part number on file: 8350978 (U S Army Tank Automotive Command Amsta-Im-Mm).
What are the specifications of 8350978?
Key specifications for 8350978: Distance From Centerline to Bottom of Internal Keyway: 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN; Internal Keyway Width: 0.240 INCHES NOMINAL IN; Hardness Rating: 60.0 ROCKWELL C NOMINAL; Outside Diameter: 1.500 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-076-4275 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.