The Gasket, cataloged under National Stock Number 5330-01-173-1126, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Admiral Filter Company Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-173-1126 |
| Primary Part Number | 203254-1 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Admiral Filter Company Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Outside Diameter | 6.625 INCHES NOMINAL IN |
| Aperture Diameter | 3.625 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 5.500 INCHES NOMINAL IN |
| Hole Diameter | 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 203254-1 PRIMARY | Admiral Filter Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 690177 ITEM 40 | 5/9 Secondary reference Admiral Filter Company Llc |
| 203254 | 5/9 Secondary reference Admiral Filter Company Llc |
NSN 5330-01-173-1126 is a Gasket, manufactured by Admiral Filter Company Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-173-1126 has 1 manufacturer part number on file: 203254-1 (Admiral Filter Company Llc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-530-0742. Verify interchangeability with system specifications before substitution.
Key specifications for 203254-1: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Outside Diameter: 6.625 INCHES NOMINAL IN; Aperture Diameter: 3.625 INCHES NOMINAL IN; Bolt Hole Quantity: 8. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.