The Retainer,packing, cataloged under National Stock Number 5330-01-045-2491, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Tactair Fluid Controls Inc Western Hydraulics Div. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-045-2491 |
| Primary Part Number | 7-3814PC54 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Tactair Fluid Controls Inc Western Hydraulics Div |
| Status | ACTIVE |
| Cross-Sectional Height | 0.106 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Cut Type | DIAGONAL OVERALL |
| Peripheral Diameter | 6.972 INCHES MINIMUM AND 6.976 INCHES MAXIMUM IN |
| Center Hole Diameter | 6.738 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Joint Type | SCARF-PERIPHERAL RETAINER |
| 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 |
|---|---|
| 7-3814PC54 PRIMARY | Tactair Fluid Controls Inc Western Hydraulics Div (USA) |
| AS7891-439 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS7891-439 | 5/9 Secondary reference U.S. Government activity |
| MS28774-439 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-045-2491 is a Retainer,packing, manufactured by Tactair Fluid Controls Inc Western Hydraulics Div, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-045-2491 has 2 manufacturer part numbers on file: 7-3814PC54 (Tactair Fluid Controls Inc Western Hydraulics Div), AS7891-439 (Sae International Dba Sae International).
Key specifications for 7-3814PC54: Cross-Sectional Height: 0.106 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Cut Type: DIAGONAL OVERALL. 8 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.