The Washer,flat, cataloged under National Stock Number 5310-00-712-0636, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-712-0636 |
| Primary Part Number | 39-14289-501 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace |
| Status | ACTIVE |
| Width Across Flats | 1.127 INCHES NOMINAL IN |
| Hardness Rating | 56.0 ROCKWELL C MINIMUM |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | OCTAGON |
| Material | STEEL COMP 440C OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.562 INCHES NOMINAL IN |
| Thickness | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 39-14289-501 | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 39-14289-501 | 5/2 Secondary reference U.S. Government activity |
| 00606 | 3/9 Design control — primary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 39-14289-501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-712-0636 is a Washer,flat, manufactured by Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-712-0636 has 1 manufacturer part number on file: 39-14289-501 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-203-3499. Verify interchangeability with system specifications before substitution.
Key specifications for 39-14289-501: Width Across Flats: 1.127 INCHES NOMINAL IN; Hardness Rating: 56.0 ROCKWELL C MINIMUM; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 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.
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.