The Washer,recessed, cataloged under National Stock Number 5310-01-122-0486, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-122-0486 |
| Primary Part Number | 101205B |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OR EM-592 FSCM 82328 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.978 INCHES MINIMUM AND 0.982 INCHES MAXIMUM IN |
| Recess Depth | 0.039 INCHES NOMINAL IN |
| Features Provided | CASEHARDENED |
| Recess Diameter | 0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.500 INCHES MINIMUM AND 0.501 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 |
|---|---|
| 101205B PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 101205B | 3/9 Design control — primary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| 101205B | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-122-0486 is a Washer,recessed, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-122-0486 has 1 manufacturer part number on file: 101205B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for 101205B: Overall Height: 0.175 INCHES NOMINAL IN; Style Designator: RECESSED; Material Document and Classification: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OR EM-592 FSCM 82328 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.978 INCHES MINIMUM AND 0.982 INCHES MAXIMUM IN. 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.
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.