The O-Ring, cataloged under National Stock Number 5331-01-163-4976, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Technamm. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Technamm (CAGE FAR29); Hagglunds Vehicle Gmbh (CAGE C8716); Bae Systems Hagglunds Aktiebolag (CAGE AC90N); Hellgeth Engineering Spezialfahrzeugbau Gmbh (CAGE CJ802); Kalmar Solutions Ab (CAGE A184N) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-163-4976 |
| Primary Part Number | HE010019 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Technamm |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| HE010019 | Technamm (FRA) |
| 21522115-428 | Hagglunds Vehicle Gmbh (DEU) |
| 21522115-428 | Bae Systems Hagglunds Aktiebolag (SWE) |
| 010019 | Hellgeth Engineering Spezialfahrzeugbau Gmbh (DEU) |
| 21522115-428 | Kalmar Solutions Ab (SWE) |
| Reference | Meaning |
|---|---|
| 2152 2115-428 | 5/9 Secondary reference Macgregor Usa Inc. Div Macgregor Usa |
| 21522115-428 | 5/9 Secondary reference Cargotec Sweden Ab - Macgregor Cranes |
| 451-0964 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 90767-991 | 3/9 Design control — primary reference U.s. Defense Services, Inc. Dba Usds |
| 21522115-428 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
| 2152 2115-428 TAKR 287 | 5/9 Secondary reference Macgregor Usa Inc. Div Macgregor Usa |
NSN 5331-01-163-4976 is a O-Ring, manufactured by Technamm, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-163-4976 has 5 manufacturer part numbers on file: HE010019 (Technamm), 21522115-428 (Hagglunds Vehicle Gmbh), 21522115-428 (Bae Systems Hagglunds Aktiebolag), 010019 (Hellgeth Engineering Spezialfahrzeugbau Gmbh), 21522115-428 (Kalmar Solutions Ab).
2 possible matches (shared part number, not a government interchangeability claim): 5360-01-213-8780, 6520-01-481-9143. Verify interchangeability with system specifications before substitution.
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.