The Spacer,engine, cataloged under National Stock Number 5975-00-878-2197, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5975-00-878-2197 |
| Primary Part Number | 596977 |
| Item Name | Spacer,engine |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | 0.672 IN. MIN 0.703 IN. MAX H,0.850 IN. MIN 0.910 IN. MAX DEEP,0.027 IN. MIN 0.037 IN. MAX MATERIAL THK 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 |
|---|---|
| 596977 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 596977 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5975-00-878-2197 is a Spacer,engine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-878-2197 has 1 manufacturer part number on file: 596977 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 6850-01-588-1693. Verify interchangeability with system specifications before substitution.
Key specifications for 596977: General Characteristics Item Description: 0.672 IN. MIN 0.703 IN. MAX H,0.850 IN. MIN 0.910 IN. MAX DEEP,0.027 IN. MIN 0.037 IN. MAX MATERIAL THK 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.