The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-577-1931, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-577-1931 |
| Primary Part Number | HLT953DL-6-31 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HLT953TB-6-31 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT953DL-6-31 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M760T3-31 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| HLT953DL-6-31 | 5/9 Secondary reference Sps Technologies Inc |
| HLT953DL-6-31 | 7/2 Vendor item drawing reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HLT953DL-6-31 | 7/2 Vendor item drawing reference Hi-Shear Corporation |
NSN 5320-01-577-1931 is a Collar,pin-Rivet, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-577-1931 has 3 manufacturer part numbers on file: HLT953TB-6-31 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT953DL-6-31 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M760T3-31 (The Boeing Company Div Defense).
Key specifications for HLT953DL-6-31: Lubrication: SOLID FILM AND CETYL ALCOHOL; Material Document and Classification: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.190 INCHES IN. 8 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 5320-01-577-1931 has DEMIL Code Q. 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.