The Washer,recessed, cataloged under National Stock Number 5310-00-209-3548, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Schwitzer Engine Components a Household Intl Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-209-3548 |
| Primary Part Number | 100817 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Schwitzer Engine Components a Household Intl Co |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 1.315 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN |
| Recess Depth | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Material Thickness | 0.0275 INCHES MINIMUM AND 0.0475 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.771 INCHES MINIMUM AND 0.791 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 |
NSN 5310-00-209-3548 is a Washer,recessed, manufactured by Schwitzer Engine Components a Household Intl Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-209-3548 has 2 manufacturer part numbers on file: 100817 (Schwitzer Engine Components a Household Intl Co), 76199A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
2 possible matches (shared part number, not a government interchangeability claim): 5998-00-920-7682, 5910-01-305-8192. Verify interchangeability with system specifications before substitution.
Key specifications for 100817: Overall Height: 0.2775 INCHES MINIMUM AND 0.2975 INCHES MAXIMUM IN; Style Designator: RECESSED; Outside Diameter: 1.315 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN; Recess Depth: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 6 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.