The O-Ring, cataloged under National Stock Number 5331-01-573-3797, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is National Aircraft Service Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-573-3797 |
| Primary Part Number | NTEC09-0-8 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | National Aircraft Service Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| NTEC09-0-8 PRIMARY | National Aircraft Service Inc (USA) |
NSN 5331-01-573-3797 is a O-Ring, manufactured by National Aircraft Service Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-573-3797 has 1 manufacturer part number on file: NTEC09-0-8 (National Aircraft Service Inc).
Key specifications for NTEC09-0-8: Special Features: ENVIRONMENTAL CONTROL UNIT AIR CONDITIONING ORING NO 8; End Item Identification: USED ON C-130 HERCULES AIRCRAFT ENVIRONMENTAL CONTROL UNIT ENGINE BLEED AIR DUCTS. 0 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.
NSN 5331-01-573-3797 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.