The Nut,plain,round, cataloged under National Stock Number 5310-00-208-3136, 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 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-208-3136 |
| Primary Part Number | 7363187 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | CANCELLED |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 5TH MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Diameter | 0.558 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Nut Thickness | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 1212 OR STEEL COMP 1115 OR STEEL COMP 1120 OR STEEL COMP 1010 OR STEEL COMP 1020 OVERALL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7363187 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| RE0298427 | Alfariver Defense S.l (ESP) |
| Reference | Meaning |
|---|---|
| 5310002083136 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 10502271 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 7363187 | 5/9 Secondary reference Feinmechanische Werke Mainz Gmbh |
| 7363187 | 5/9 Secondary reference Liebherr-Aerospace Lindenberg Gmbh |
| 5310002083136 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5310-00-208-3136 is a Nut,plain,round, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-208-3136 has 2 manufacturer part numbers on file: 7363187 (U S Army Tank Automotive Command Amsta-Im-Mm), RE0298427 (Alfariver Defense S.l).
1 possible match (shared part number, not a government interchangeability claim): 5995-00-614-9372. Verify interchangeability with system specifications before substitution.
Key specifications for 7363187: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 5TH MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.312 INCHES IN. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5310-00-208-3136 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.