The Retainer,packing, cataloged under National Stock Number 5330-01-077-1954, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-077-1954 |
| Primary Part Number | 400004-4 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 0.541 INCHES MINIMUM AND 0.544 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.437 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Material | PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| 400004-4 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| Reference | Meaning |
|---|---|
| 400-A-4-4 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
NSN 5330-01-077-1954 is a Retainer,packing, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-077-1954 has 1 manufacturer part number on file: 400004-4 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-128-1534, 5342-01-210-4680, 4720-01-648-0955. Verify interchangeability with system specifications before substitution.
Key specifications for 400004-4: Cross-Sectional Thickness: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 0.541 INCHES MINIMUM AND 0.544 INCHES MAXIMUM IN; Center Hole Diameter: 0.437 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN. 5 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.