The Washer,spherical Set, cataloged under National Stock Number 5310-01-472-2020, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 1 specification, 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 | 5310-01-472-2020 |
| Primary Part Number | 91944A034 |
| Item Name | Washer,spherical Set |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| General Characteristics Item Description | TWO PIECE WASHER SET FITS TOGETHER LIKE A BALL AND SOCKET TO COMPENSATE FOR UNEVEN SURFACES; MALE WASHER OUTSIDE DIA. IS 2.250 IN.; MALE WASHER INSIDE DIA. IS 1.188; FEMALE WASHER OUTSIDE DIA. IS 2.250 IN.; FEMALE WASHER INSIDE DIA. IS 1.219 IN.; NOM. THICKNESS FOR BOTH WASHERS IS 0.500 IN.; SCREW SIZE 1 1/8 IN.; 18-8 STAINLESS STEEL 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 |
|---|---|
| 91944A034 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5310-01-472-2020 is a Washer,spherical Set, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-472-2020 has 1 manufacturer part number on file: 91944A034 (Mcmaster-Carr Supply Co).
Key specifications for 91944A034: General Characteristics Item Description: TWO PIECE WASHER SET FITS TOGETHER LIKE A BALL AND SOCKET TO COMPENSATE FOR UNEVEN SURFACES; MALE WASHER OUTSIDE DIA. IS 2.250 IN.; MALE WASHER INSIDE DIA. IS 1.188; FEMALE WASHER OUTSIDE DIA. IS 2.250 IN.; FEMALE WASHER INSIDE DIA. IS 1.219 IN.; NOM. THICKNESS FOR BOTH WASHERS IS 0.500 IN.; SCREW SIZE 1 1/8 IN.; 18-8 STAINLESS STEEL IN. 1 specification is 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.