The Clamp,synchro, cataloged under National Stock Number 5340-01-231-4772, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-231-4772 |
| Primary Part Number | PWA55611-9 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Material Document and Classification | AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1018 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Furnished Items | LOCK WASHER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| PWA55611-9 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5340-01-231-4772 is a Clamp,synchro, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-231-4772 has 1 manufacturer part number on file: PWA55611-9 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA55611-9: Material Document and Classification: AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE; Nominal Thread Size: 0.250 INCHES IN; Special Features: THREAD LENGTH: 1.938 IN. MINIMUM AND 2.000 IN. MAXIMUM; TACKWELDING FIXTURE - 6TH STAGE VANES IN; Thread Class: 2A A. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.