The Packing,preformed, cataloged under National Stock Number 5330-00-977-3155, 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 2 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-977-3155 |
| Primary Part Number | C1045.125SQ |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| C1045.125SQ | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| STYC-1045 1-8 | 5/9 Secondary reference John Crane, Inc |
| 406-04125 | 5/9 Secondary reference John Crane, Inc |
| 58067CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| STYC-1045 1-8CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 406-04125CP | 3/1 Design control — primary reference John Crane, Inc |
| 406-04125CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 58067 | 5/9 Secondary reference Ryan Industries Div of Cordon International Corp |
| STYC-1045 1-8 | 5/1 Secondary reference Defense Maritime Solutions, Inc. |
| C1045.125"SQ | 5/9 Secondary reference Wartsila Lips Inc |
| STYC-1045 1-8 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 5330-00-977-3155 is a Packing,preformed, manufactured by John Crane, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-977-3155 has 1 manufacturer part number on file: C1045.125SQ (John Crane, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5940-00-997-2730. Verify interchangeability with system specifications before substitution.
Key specifications for C1045.125SQ: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 2 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.