The Seal Assembly, cataloged under National Stock Number 5330-01-054-1176, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-054-1176 |
| Primary Part Number | 561919-1 |
| Item Name | Seal Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 2 ITEMS,1 CRES MIL-S-5059 BEZEL AND 1 RUBBER SYNTHETIC O-RING EXPANDED TO FIT SWITCH SLEEVE 0.950 IN. LONG,0.950 IN. WIDE,0.050 IN. DEPTH IN |
| 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 |
|---|---|
| 561919-1 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 3163015-001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 801-526 | 5/9 Secondary reference U.S. Government activity |
| 3163015-1 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 3163015-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-054-1176 is a Seal Assembly, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-054-1176 has 1 manufacturer part number on file: 561919-1 (Lockheed Martin Corporation Div Rms - Mitchel Field).
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-139-8853, 5331-01-521-3169, 6515-01-715-7595. Verify interchangeability with system specifications before substitution.
Key specifications for 561919-1: General Characteristics Item Description: CONSISTS OF 2 ITEMS,1 CRES MIL-S-5059 BEZEL AND 1 RUBBER SYNTHETIC O-RING EXPANDED TO FIT SWITCH SLEEVE 0.950 IN. LONG,0.950 IN. WIDE,0.050 IN. DEPTH IN. 1 specification is 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.