The Seal, cataloged under National Stock Number 5330-01-053-7111, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-053-7111 |
| Primary Part Number | CFSP52837-1 |
| Item Name | Seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CRES |
| 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 |
|---|---|
| RY-166400ITEM 12 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| M38775 | John Crane, Inc (USA) |
| CFSP52837-1 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| RY-166400ITEM 12 | 5/9 Secondary reference U.S. Government activity |
| CFSP-80239 | 5/9 Secondary reference Wartsila Lips Inc |
| CFSP-80239 | 5/9 Secondary reference Defense Maritime Solutions, Inc. |
NSN 5330-01-053-7111 is a Seal, manufactured by John Crane, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-053-7111 has 3 manufacturer part numbers on file: RY-166400ITEM 12 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), M38775 (John Crane, Inc), CFSP52837-1 (John Crane, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5307-01-530-7399, 5307-01-641-2959. Verify interchangeability with system specifications before substitution.
Key specifications for CFSP52837-1: General Characteristics Item Description: CRES. 1 specification is 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.