The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-441-4957, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division. Government technical data includes 17 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-441-4957 |
| Primary Part Number | 712-471-003 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division |
| Status | ACTIVE |
| Width Across Flats | 0.3750 INCHES NOMINAL IN |
| Length | 0.1562 INCHES NOMINAL IN |
| Thread Length | 0.2500 INCHES NOMINAL RIGHT EXTERNAL IN |
| Thread Length | 0.2500 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Material Document and Classification | MIL-P-17091B, TYPE 101 MIL SPEC SINGLE MATERIAL RESPONSE STANDOFF |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.1120 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Nominal Thread Size | 0.1120 INCHES RIGHT EXTERNAL IN |
| Cross-Sectional Shape | HEXAGON |
| Thread Class | 2B RIGHT EXTERNAL |
| Thread Quantity Per Inch | 40 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 40 RIGHT EXTERNAL |
| Material | PLASTIC STANDOFF |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL |
| 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 |
|---|---|
| P1057M19F16-440 | Unicorp. (USA) |
| 712-471-003 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA) |
| P1057M9F16440 | Unicorp. (USA) |
NSN 5340-01-441-4957 is a Standoff,threaded,spacing, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-441-4957 has 3 manufacturer part numbers on file: P1057M19F16-440 (Unicorp.), 712-471-003 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division), P1057M9F16440 (Unicorp.).
Key specifications for 712-471-003: Width Across Flats: 0.3750 INCHES NOMINAL IN; Length: 0.1562 INCHES NOMINAL IN; Thread Length: 0.2500 INCHES NOMINAL RIGHT EXTERNAL IN; Thread Length: 0.2500 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN. 17 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.