The Rivet,blind, cataloged under National Stock Number 5320-01-099-7957, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-099-7957 |
| Primary Part Number | ST2249-23 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Shank Diameter | 0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| Head Height | 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN |
| Fastener Length | 0.317 INCHES NOMINAL IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE LOCKING RING |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| Head Style | UNIVERSAL |
| Grip Length | 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Shear Strength | 70000 SINGLE POUNDS PER SQUARE INCH |
| Material | IRON ALLOY 660 STEM |
| Material | IRON ALLOY 660 SLEEVE |
| Material | NICKEL ALLOY LOCKING RING |
| Head Major Diameter | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| 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 |
|---|---|
| ST2249-23 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| RV1240-5-3 | 5/9 Secondary reference U.S. Government activity |
| RV1240-5-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-099-7957 is a Rivet,blind, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-099-7957 has 1 manufacturer part number on file: ST2249-23 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for ST2249-23: Shank Diameter: 0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN; Head Height: 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN; Fastener Length: 0.317 INCHES NOMINAL IN; Expansion Device: SERRATED STEM-TYPE W. 15 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.