The Packing Assembly, cataloged under National Stock Number 5330-01-553-0139, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-553-0139 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Outside Diameter | 2.271 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | CUP TOP RING |
| Cross-Sectional Shape Style | CUP BOTTOM RING |
| Cross-Sectional Shape Style | ANGLE INTERMEDIATE RING |
| Inside Diameter | 1.500 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Height | 1.526 INCHES MINIMUM AND 1.626 INCHES MAXIMUM IN |
| Material | GRAPHITE BOTTOM RING |
| Material | GRAPHITE INTERMEDIATE RING |
| Material | GRAPHITE TOP RING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 803-2177141-4XX PC NO 86 | 5/2 Secondary reference U.S. Government activity |
| 803-2177141-4XX-86 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-553-0139 is a Packing Assembly, classified under FSC 5330, Packing and Gasket Materials. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-553-7578, 5330-01-559-0877. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-553-0139: Outside Diameter: 2.271 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN; Cross-Sectional Shape Style: CUP TOP RING; Cross-Sectional Shape Style: CUP BOTTOM RING; Cross-Sectional Shape Style: ANGLE INTERMEDIATE RING. 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.