The O-Ring, cataloged under National Stock Number 5331-01-544-1693, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-544-1693 |
| Primary Part Number | 803-6397304-XX-27CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Material Document and Classification | SAE AMS-P-83461 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.208 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 803-6397304-XX-27CP PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| M83461/1-009CP | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
| M83461/1-009 | 5/1 Secondary reference Naval Sea Systems Command |
| 803-6397304-XX-27 | 5/1 Secondary reference Naval Sea Systems Command |
| 803-6397304 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5331-01-544-1693 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-544-1693 has 1 manufacturer part number on file: 803-6397304-XX-27CP (Naval Inventory Control Point Mechanicsburg).
4 possible matches (shared part number, not a government interchangeability claim): 5331-01-545-7789, 5325-01-547-6368, 4820-01-723-2774. Verify interchangeability with system specifications before substitution.
Key specifications for 803-6397304-XX-27CP: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Material Document and Classification: SAE AMS-P-83461 ASSN STD SINGLE MATERIAL RESPONSE; Special Features: CLEANING AND PACKAGING PER MIL-STD-1330D. 5 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.