The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-242-9296, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moeller Mfg. Company, Llc Div Aircraft. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-242-9296 |
| Primary Part Number | 657330 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moeller Mfg. Company, Llc Div Aircraft |
| Status | ACTIVE |
| Shoulder Height | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.470 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Material Thickness | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN |
| Recess Diameter | 0.212 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.128 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN |
| Recess Angle | 99.5 DEGREES MINIMUM AND 100.5 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 |
|---|---|
| 657330 | Kito Mfg Co. Ltd (JPN) |
| 657330 PRIMARY | Moeller Mfg. Company, Llc Div Aircraft (USA) |
| 657330 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 657330 | 5/9 Secondary reference Kwik File Storage Systems Llc |
| 657330 | 5/9 Secondary reference Kito Mfg Co. Ltd |
NSN 5310-00-242-9296 is a Washer,shouldered and Recessed, manufactured by Moeller Mfg. Company, Llc Div Aircraft, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-242-9296 has 3 manufacturer part numbers on file: 657330 (Kito Mfg Co. Ltd), 657330 (Moeller Mfg. Company, Llc Div Aircraft), 657330 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 657330: Shoulder Height: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.470 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN. 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.