The Packing,preformed, cataloged under National Stock Number 5330-01-115-3757, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. 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. 3 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 | 5330-01-115-3757 |
| Primary Part Number | 40516-1 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | O-RING |
| Center Hole Diameter | 23.940 INCHES MINIMUM AND 24.060 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM OVERALL |
| 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 |
|---|---|
| 40516-1 PRIMARY | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| 145DS029-1 | The Boeing Company (USA) |
NSN 5330-01-115-3757 is a Packing,preformed, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-115-3757 has 2 manufacturer part numbers on file: 40516-1 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), 145DS029-1 (The Boeing Company).
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-156-2823, 4710-01-204-9819, 4710-01-719-8386. Verify interchangeability with system specifications before substitution.
Key specifications for 40516-1: Temp Rating: -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: O-RING. 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.