The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-735-1273, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems. Government technical data includes 10 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-735-1273 |
| Primary Part Number | 029039 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
| Status | ACTIVE |
| Shoulder Height | 0.047 INCHES NOMINAL IN |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OR QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN |
| Recess Depth | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Material Thickness | 0.016 INCHES NOMINAL IN |
| Shoulder Diameter | 0.282 INCHES NOMINAL IN |
| Recess Diameter | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 268 OR COPPER ALLOY 260 OVERALL |
| Hole Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM 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 |
|---|---|
| 7351273 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 029039 PRIMARY | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA) |
| Reference | Meaning |
|---|---|
| 100995R1 | 5/2 Secondary reference U.S. Government activity |
| 192253 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 1053K1 | 5/9 Secondary reference Diamond Reo Truck Co |
| 5310007351273 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 800865 | 5/2 Secondary reference U.S. Government activity |
| 100995R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 5310-00-735-1273 is a Washer,shouldered and Recessed, manufactured by Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-735-1273 has 2 manufacturer part numbers on file: 7351273 (U S Army Tank Automotive Command Amsta-Im-Mm), 029039 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems).
2 possible matches (shared part number, not a government interchangeability claim): 4930-01-062-2833, 5998-01-071-9221. Verify interchangeability with system specifications before substitution.
Key specifications for 029039: Shoulder Height: 0.047 INCHES NOMINAL IN; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OR QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN. 10 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.