The Washer,recessed, cataloged under National Stock Number 5310-00-149-9123, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-149-9123 |
| Primary Part Number | 1504600 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN |
| Material Thickness | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Recess Diameter | 1.427 INCHES MINIMUM AND 1.447 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 125 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP 1330 OR STEEL COMP 4130 OVERALL |
| Hole Diameter | 1.260 INCHES MINIMUM AND 1.275 INCHES MAXIMUM IN |
| Recess Angle | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| 1504600 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| MS20002C20 | 5/9 Secondary reference U.S. Government activity |
| NAS143-20C | 5/9 Secondary reference U.S. Government activity |
| MS20002C20 | 3/2 Design control — primary reference U.S. Government activity |
| 1504600 | 5/9 Secondary reference Oshkosh Corp |
| 10335463 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-00-149-9123 is a Washer,recessed, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-149-9123 has 1 manufacturer part number on file: 1504600 (Oshkosh Defense Llc).
Key specifications for 1504600: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM 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.
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.