The O-Ring, cataloged under National Stock Number 5331-00-148-1683, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-148-1683 |
| Primary Part Number | 694823 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 5.961 INCHES MINIMUM AND 6.007 INCHES MAXIMUM IN |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 694823 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 694823 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| 694823 | Jonal Laboratories Inc (USA) |
| 694823 | Tokyo Judoi Kogyo K.k. (JPN) |
| Reference | Meaning |
|---|---|
| 694823 | 5/2 Secondary reference U.S. Government activity |
| 694823 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 694823 | 5/9 Secondary reference Micron Machine Corp |
| 694823 | 5/9 Secondary reference Richmond Lox Equipment Co Sub of Richmond Tank Car Co |
| 694823 | 5/9 Secondary reference Tokyo Judogi Kogyo Co. |
NSN 5331-00-148-1683 is a O-Ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-148-1683 has 4 manufacturer part numbers on file: 694823 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 694823 (Acushnet Rubber Company, Inc. Dba Precix), 694823 (Jonal Laboratories Inc), 694823 (Tokyo Judoi Kogyo K.k.).
1 possible match (shared part number, not a government interchangeability claim): 5925-00-605-9319. Verify interchangeability with system specifications before substitution.
Key specifications for 694823: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 5.961 INCHES MINIMUM AND 6.007 INCHES MAXIMUM IN; Material: RUBBER. 4 specifications are 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.
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.