The O-Ring, cataloged under National Stock Number 5331-00-772-3892, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-772-3892 |
| Primary Part Number | 7723892 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Cross-Sectional Height | 0.138 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 18.500 INCHES MINIMUM AND 18.750 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 502537 | Satair A/s (DNK) |
| 7723892 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 502537 | Renk America Llc Div Renk America (USA) |
| Reference | Meaning |
|---|---|
| 5331007723892 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5331-00-772-3892 is a O-Ring, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-772-3892 has 3 manufacturer part numbers on file: 502537 (Satair A/s), 7723892 (U S Army Tank Automotive Command Amsta-Im-Mm), 502537 (Renk America Llc Div Renk America).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-624-7384. Verify interchangeability with system specifications before substitution.
Key specifications for 7723892: Cross-Sectional Height: 0.138 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 18.500 INCHES MINIMUM AND 18.750 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 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.