The Collar,shear, cataloged under National Stock Number 1650-01-667-2295, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hi-Shear Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 1650-01-667-2295 |
| Primary Part Number | HST1572ZAWT14 |
| Item Name | Collar,shear |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| HST1572ZAWT14 PRIMARY | Hi-Shear Corporation (USA) |
| HST1572ZAWT14 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HST1572ZAWT14 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HST1572 | 7/2 Vendor item drawing reference Hi-Shear Corporation |
NSN 1650-01-667-2295 is a Collar,shear, manufactured by Hi-Shear Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-667-2295 has 3 manufacturer part numbers on file: HST1572ZAWT14 (Hi-Shear Corporation), HST1572ZAWT14 (Sps Technologies, Llc Dba PB Fasteners), HST1572ZAWT14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
4 possible matches (shared part number, not a government interchangeability claim): 5320-01-714-0111, 5320-01-716-1145, 5320-01-716-3454. Verify interchangeability with system specifications before substitution.
Key specifications for HST1572ZAWT14: Special Features: PART OF STRUCTURES/EMPENNAGE; SECURES SKIN TO FRAME TO SPLICE, CLIP OR OTHER AIRFRAME COMPONENTS; Part Name Assigned by Controlling Agency: COLLAR; End Item Identification: CH-53K. 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.
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.