The Washer,flat, cataloged under National Stock Number 5310-01-571-3287, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Boeing Defence Australia Ltd Div Defense, Space & Security. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-571-3287 |
| Primary Part Number | NAS1149E0732P |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Boeing Defence Australia Ltd Div Defense, Space & Security |
| Status | ACTIVE |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | IRON ALLOY 660 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.453 INCHES NOMINAL IN |
| Thickness | 0.032 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NAS1149E0732P | Boeing Defence Australia Ltd Div Defense, Space & Security (AUS) |
| NAS1149E0732P | Boeing Defence Australia Ltd (AUS) |
| Reference | Meaning |
|---|---|
| NAS1149E0732P | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| NAS1149E07320P | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-571-3287 is a Washer,flat, manufactured by Boeing Defence Australia Ltd Div Defense, Space & Security, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-571-3287 has 2 manufacturer part numbers on file: NAS1149E0732P (Boeing Defence Australia Ltd Div Defense, Space & Security), NAS1149E0732P (Boeing Defence Australia Ltd).
Key specifications for NAS1149E0732P: Overall Diameter: 0.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: BLANK RECTANGULAR; Surface Treatment: CADMIUM OVERALL; Peripheral Shape Style: ROUND. 8 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 5310-01-571-3287 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.