The Retainer,packing, cataloged under National Stock Number 5330-00-168-4587, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Leonardo S.p.a. - Electronics Division - Defence Business Area. Government technical data includes 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-168-4587 |
| Primary Part Number | 127616185 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Leonardo S.p.a. - Electronics Division - Defence Business Area |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE |
| Angle | 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM |
| Peripheral Diameter | 1.054 INCHES NOMINAL IN |
| Distance Between Ends | 0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.812 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Joint Type | SCARF-BUTT RETAINER |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 127616185 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| Reference | Meaning |
|---|---|
| 2640-085PC93 | 5/1 Secondary reference U.S. Government activity |
| 845-1889834PC93 | 5/1 Secondary reference U.S. Government activity |
| 845-1889836PC93 | 5/1 Secondary reference U.S. Government activity |
| MS28782-16 | 5/1 Secondary reference U.S. Government activity |
| 2640-087PC93 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5330-00-168-4587 is a Retainer,packing, manufactured by Leonardo S.p.a. - Electronics Division - Defence Business Area, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-168-4587 has 1 manufacturer part number on file: 127616185 (Leonardo S.p.a. - Electronics Division - Defence Business Area).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-171-5075. Verify interchangeability with system specifications before substitution.
Key specifications for 127616185: Cross-Sectional Thickness: 0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Material Document and Classification: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE. 11 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.