The Plate,retainer, cataloged under National Stock Number 2030-01-167-4177, is classified within Federal Supply Class 2030 (Deck Machinery) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2030-01-167-4177 |
| Primary Part Number | SSN637-501-2143873 PIECE 3 |
| Item Name | Plate,retainer |
| FSC / FSG | 2030 / 20 — Deck Machinery |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL ALLOY QQ-N-281 CLASS A; RECTANGULAR PLATE; 6.500 IN. LG; 2.250 IN. W; 0.500 IN. THK; 4 HOLES 0.562 IN. DIA; 1 HOLE 0.625 IN. DIA; 0.250 IN. BY 45 DEGREE CHAMFERED CORNERS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SSN637-501-2143873 PIECE 3 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 77643-71X1 PIECE 3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2030-01-167-4177 is a Plate,retainer, manufactured by Naval Sea Systems Command, classified under FSC 2030, Deck Machinery. Status: active.
NSN 2030-01-167-4177 has 1 manufacturer part number on file: SSN637-501-2143873 PIECE 3 (Naval Sea Systems Command).
Key specifications for SSN637-501-2143873 PIECE 3: General Characteristics Item Description: NICKEL ALLOY QQ-N-281 CLASS A; RECTANGULAR PLATE; 6.500 IN. LG; 2.250 IN. W; 0.500 IN. THK; 4 HOLES 0.562 IN. DIA; 1 HOLE 0.625 IN. DIA; 0.250 IN. BY 45 DEGREE CHAMFERED CORNERS IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2030-01-167-4177 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.