The Retainer,seal, cataloged under National Stock Number 5330-01-579-2172, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Fatigue Technology, Inc. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-579-2172 |
| Primary Part Number | FTSRC-4-0-2-250-SC |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Fatigue Technology, Inc |
| Status | ACTIVE |
| Body Outside Diameter | 0.775 INCHES MAXIMUM IN |
| Style Designator | FLANGED |
| Bolt Hole Diameter | 0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Aperture Diameter | 0.150 INCHES MINIMUM AND 0.168 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 1 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Construction | ONE-PIECE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FTSRC-4-0-2-250-SC PRIMARY | Fatigue Technology, Inc (USA) |
NSN 5330-01-579-2172 is a Retainer,seal, manufactured by Fatigue Technology, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-579-2172 has 1 manufacturer part number on file: FTSRC-4-0-2-250-SC (Fatigue Technology, Inc).
Key specifications for FTSRC-4-0-2-250-SC: Body Outside Diameter: 0.775 INCHES MAXIMUM IN; Style Designator: FLANGED; Bolt Hole Diameter: 0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN; Material Document and Classification: AMS5643 ASSN STD SINGLE MATERIAL RESPONSE 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.
NSN 5330-01-579-2172 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.