The Gasket, cataloged under National Stock Number 5330-00-845-3635, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is WS Darley & Co Div Ohler Pump. Government technical data includes 9 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 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 | 5330-00-845-3635 |
| Primary Part Number | D1053 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | WS Darley & Co Div Ohler Pump |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.300 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 9.250 INCHES NOMINAL IN |
| Aperture Diameter | 7.031 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 8.500 INCHES NOMINAL IN |
| Material | PAPER OVERALL |
| Hole Diameter | 0.438 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 |
|---|---|
| D1053 PRIMARY | WS Darley & Co Div Ohler Pump (USA) |
NSN 5330-00-845-3635 is a Gasket, manufactured by WS Darley & Co Div Ohler Pump, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-845-3635 has 1 manufacturer part number on file: D1053 (WS Darley & Co Div Ohler Pump).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-038-2671. Verify interchangeability with system specifications before substitution.
Key specifications for D1053: Cross-Sectional Thickness: 0.300 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 9.250 INCHES NOMINAL IN. 9 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.