The Washer,flat, cataloged under National Stock Number 5310-01-210-3882, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-210-3882 |
| Primary Part Number | SP890-5 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| Status | ACTIVE |
| Overall Diameter | 0.438 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Material Document and Classification | ACCR 190,FSCM 93366 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | RUBBER SYNTHETIC OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.271 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN |
| Thickness | 0.055 INCHES MINIMUM AND 0.065 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 |
|---|---|
| SP890-5 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| SP890-5 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| SP890-5 | Triumph Aerospace Operations Uk, Ltd. Div Staverton Site (GBR) |
| Reference | Meaning |
|---|---|
| SP890-5 | 5/9 Secondary reference Ge Aviation Systems Llc Dba Ge Aviation |
| SP890-5 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-210-3882 is a Washer,flat, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-210-3882 has 3 manufacturer part numbers on file: SP890-5 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), SP890-5 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), SP890-5 (Triumph Aerospace Operations Uk, Ltd. Div Staverton Site).
Key specifications for SP890-5: Overall Diameter: 0.438 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Material Document and Classification: ACCR 190,FSCM 93366 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.