The Washer,recessed, cataloged under National Stock Number 5310-01-171-3424, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Aerospace Limited. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-171-3424 |
| Primary Part Number | ACO44096 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meggitt Aerospace Limited |
| Status | ACTIVE |
| Surface Treatment Document and Classification | DEF151-2,FSCM K1037 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | L111,FSCM K1037 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Recess Depth | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Recess Diameter | 0.310 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 0.196 INCHES MINIMUM AND 0.200 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 |
|---|---|
| ACO44096 PRIMARY | Meggitt Aerospace Limited (GBR) |
NSN 5310-01-171-3424 is a Washer,recessed, manufactured by Meggitt Aerospace Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-171-3424 has 1 manufacturer part number on file: ACO44096 (Meggitt Aerospace Limited).
Key specifications for ACO44096: Overall Height: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Surface Treatment Document and Classification: DEF151-2,FSCM K1037 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: L111,FSCM K1037 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 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.