The Packing Assembly, cataloged under National Stock Number 5330-01-655-4018, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Psp Seals Llc Dba Psp Seals Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-655-4018 |
| Primary Part Number | 52-3535-1A |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Psp Seals Llc Dba Psp Seals Llc |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Cross Section Inside Diameter | 18.50 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 20.00 INCHES NOMINAL IN |
| 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 |
|---|---|
| 52-3535-1A | Psp Seals Llc Dba Psp Seals Llc (USA) |
| Reference | Meaning |
|---|---|
| 52-3535-1A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-655-4018 is a Packing Assembly, manufactured by Psp Seals Llc Dba Psp Seals Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-655-4018 has 1 manufacturer part number on file: 52-3535-1A (Psp Seals Llc Dba Psp Seals Llc).
Key specifications for 52-3535-1A: Criticality Code Justification: AGAV; Cross Section Inside Diameter: 18.50 INCHES NOMINAL IN; Special Features: THE PACKING ASSEMBLY SHALL BE PACKAGED TOGETHER AS SHOWN IN ENVELOPS FABRICATED FROM MATERIAL IN ACCORDANCE WITH MIL-PRF-121, TYPE I AND HEAT SEALED. A FIBERBOARD STIFFENER SHALL BE ADDED IN EACH PACKAGE TO PREVENT THE SEALS FROM DISTORTION IN THE PACKAGE. EACH PACKAGED ENVELOPE SHALL BE PLACED INTO A FIBERBOARD CONTAINER IN ACCORDANCE WITH ASTM D1974. EACH PACKAGED CONTAINER SHALL BE IDENTIFIED WITH NAWC CAGE CODE, CONTRACT NUMBER, CURE DATE AND SHELF LIFE. EXPIRATION DATE IAW SAE A547B-37. SHELF LIFE EXPIRATION DATE SHALL BE 60 QUARTERS (15 YEARS) PAST THE CURE DATE OF THE "E" OR "F" PACKING, WHICH EVER IS EARLIEST; Cross Section Outside Diameter: 20.00 INCHES NOMINAL IN. 3 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.