The Washer,flat, cataloged under National Stock Number 5310-01-130-9059, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-130-9059 |
| Primary Part Number | 4M36-04048 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Overall Diameter | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5604,COND H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | BROWN OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 630 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN |
| Thickness | 0.016 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 |
|---|---|
| 4M36-04048 PRIMARY | The Boeing Company Div Defense (USA) |
| 4M36-04048 | Moeller Manufacturing & Supply, Llc (USA) |
| 4M36-04038 | Rudolph Precision Products, L.l.c. (USA) |
| 4M36-04048 | Anillo Industries Llc (USA) |
| 4M36-04038 | J. T. D. Stamping Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 4M36-04048 | 5/2 Secondary reference U.S. Government activity |
| 10109586 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-130-9059 is a Washer,flat, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-130-9059 has 5 manufacturer part numbers on file: 4M36-04048 (The Boeing Company Div Defense), 4M36-04048 (Moeller Manufacturing & Supply, Llc), 4M36-04038 (Rudolph Precision Products, L.l.c.), 4M36-04048 (Anillo Industries Llc), 4M36-04038 (J. T. D. Stamping Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-247-1692. Verify interchangeability with system specifications before substitution.
Key specifications for 4M36-04048: Overall Diameter: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN; Material Document and Classification: AMS 5604,COND H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Color: BROWN OVERALL. 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.