The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-461-7905, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-461-7905 |
| Primary Part Number | PO0157NRP |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Width Across Flats | 0.3800 INCHES NOMINAL IN |
| Length | 7.5000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.4400 INCHES NOMINAL RIGHT EXTERNAL IN |
| Thread Length | 1.0000 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Criticality Code Justification | ZZZY |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.1640 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Nominal Thread Size | 0.1064 INCHES RIGHT EXTERNAL IN |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A RIGHT EXTERNAL A |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 RIGHT EXTERNAL |
| Material | STEEL COMP 303 OVERALL |
| Right Projection Diameter | 0.1640 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL |
| Right Projection Length | 0.4400 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| PO0157NRP | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| KEB1224 | 3/1 Design control — primary reference Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
NSN 5340-01-461-7905 is a Standoff,threaded,spacing, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-461-7905 has 1 manufacturer part number on file: PO0157NRP (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
Key specifications for PO0157NRP: Width Across Flats: 0.3800 INCHES NOMINAL IN; Length: 7.5000 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.4400 INCHES NOMINAL RIGHT EXTERNAL IN. 22 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.