The Washer,flat, cataloged under National Stock Number 5310-01-465-0112, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Anillo Industries Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-465-0112 |
| Primary Part Number | BACW10BN32P |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Anillo Industries Llc |
| Status | ACTIVE |
| Overall Diameter | 0.468 INCHES NOMINAL IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | MIL-S-1872 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18728 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6357 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.219 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Thickness | 0.057 INCHES MINIMUM AND 0.069 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 |
|---|---|
| BACW10BN32P | Anillo Industries Llc (USA) |
| BACW10BN32P | Moeller Manufacturing & Supply, Llc (USA) |
| BACW10BN32P | West Coast Lockwasher Co., Inc. Dba West Coast Lockwasher Co Inc Div West Coast Lockwasher (USA) |
| BACW10BN32P | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACW10BN32P | 5/9 Secondary reference Mamco Mfg Co Inc |
| BACW10BN32P | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-465-0112 is a Washer,flat, manufactured by Anillo Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-465-0112 has 4 manufacturer part numbers on file: BACW10BN32P (Anillo Industries Llc), BACW10BN32P (Moeller Manufacturing & Supply, Llc), BACW10BN32P (West Coast Lockwasher Co., Inc. Dba West Coast Lockwasher Co Inc Div West Coast Lockwasher), BACW10BN32P (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for BACW10BN32P: Overall Diameter: 0.468 INCHES NOMINAL IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM; Material Document and Classification: MIL-S-1872 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18728 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6357 ASSN STD 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.