NSN 5310-01-073-7731 · NIIN 010737731 · Part number 12267487
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 5310-01-073-7731 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-073-7731. Manufacturer of record part number: 12267487.
Also searched as5310-01-073-7731 ·
5310010737731 ·
NIIN 010737731 ·
01-073-7731 ·
FSC 5310 Nuts and Washers · CAGE 19207 · 12267487 · DAX12866
Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Style Designator: RECESSED
Outside Diameter: 5.718 INCHES MINIMUM AND 5.720 INCHES MAXIMUM IN
Recess Depth: 1.007 INCHES NOMINAL IN
Material Thickness: 0.113 INCHES NOMINAL IN
Material: STEEL COMP 4140 OVERALL
Hole Diameter: 4.900 INCHES NOMINAL IN
Identification
NSN: 5310-01-073-7731
NIIN: 010737731
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 12267487
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Washer,recessed, cataloged under National Stock Number 5310-01-073-7731, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-073-7731
Primary Part Number
12267487
Item Name
Washer,recessed
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
U S Army Tank Automotive Command Amsta-Im-Mm
Status
ACTIVE
Hardness Rating
26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
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 5310-01-073-7731?
NSN 5310-01-073-7731 is a Washer,recessed, 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 5310-01-073-7731?
NSN 5310-01-073-7731 has 2 manufacturer part numbers on file: 12267487 (U S Army Tank Automotive Command Amsta-Im-Mm), DAX12866 (Allison Transmission Inc Dba Allison Transmission, Inc).
What are the specifications of 12267487?
Key specifications for 12267487: Overall Height: 1.210 INCHES NOMINAL IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Style Designator: RECESSED; Outside Diameter: 5.718 INCHES MINIMUM AND 5.720 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-073-7731 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.