The Washer,flat, cataloged under National Stock Number 5310-01-087-1194, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division. Government technical data includes 11 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-087-1194 |
| Primary Part Number | 181120-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-G-45204,TYPE 2,CLASS 1 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.209 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM AND GOLD OVERALL |
| Precious Material and Location | OVERALL GOLD |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.115 INCHES NOMINAL IN |
| Thickness | 0.016 INCHES NOMINAL 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 |
|---|---|
| 181120-1 PRIMARY | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA) |
NSN 5310-01-087-1194 is a Washer,flat, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-087-1194 has 1 manufacturer part number on file: 181120-1 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-666-8020. Verify interchangeability with system specifications before substitution.
Key specifications for 181120-1: Surface Treatment Document and Classification: MIL-G-45204,TYPE 2,CLASS 1 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Overall Diameter: 0.209 INCHES NOMINAL IN; Precious Material: GOLD; Cross-Sectional Shape Style: RECTANGULAR. 11 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.