The Washer,flat, cataloged under National Stock Number 5310-01-027-9444, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Standex Intl Corp Dba General Slicing Red Goat Disposers. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-027-9444 |
| Primary Part Number | B-5X |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Standex Intl Corp Dba General Slicing Red Goat Disposers |
| Status | ACTIVE |
| Overall Diameter | 1.750 INCHES NOMINAL IN |
| Material Document and Classification | AN-890,FSCM 03938 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | CORK OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.406 INCHES NOMINAL IN |
| Thickness | 0.062 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 |
|---|---|
| B-5X PRIMARY | Standex Intl Corp Dba General Slicing Red Goat Disposers (USA) |
| Reference | Meaning |
|---|---|
| B-5X | 5/9 Secondary reference Standex International Corp General Slicing/red Goat Div |
NSN 5310-01-027-9444 is a Washer,flat, manufactured by Standex Intl Corp Dba General Slicing Red Goat Disposers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-027-9444 has 1 manufacturer part number on file: B-5X (Standex Intl Corp Dba General Slicing Red Goat Disposers).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-451-3751. Verify interchangeability with system specifications before substitution.
Key specifications for B-5X: Overall Diameter: 1.750 INCHES NOMINAL IN; Material Document and Classification: AN-890,FSCM 03938 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 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.