The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-377-3335, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Merit Fastners Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-377-3335 |
| Primary Part Number | 153C7042P7 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Merit Fastners Corp |
| Status | ACTIVE |
| Length | 0.698 INCHES MINIMUM AND 0.702 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Left Projection Diameter | 0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Left Projection Length | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Thread Length | 0.362 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | PROJECTION ONE END LEFT INTERNAL THREAD |
| Material Document and Classification | QQ-A-225/5 T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | ROUND |
| Surface Treatment | CHROMATE OVERALL |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | ALUMINUM ALLOY 2017 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| 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 |
|---|---|
| 153C7042P7 PRIMARY | Merit Fastners Corp (USA) |
| Reference | Meaning |
|---|---|
| 153C7042P7 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5340-01-377-3335 is a Standoff,threaded,spacing, manufactured by Merit Fastners Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-377-3335 has 1 manufacturer part number on file: 153C7042P7 (Merit Fastners Corp).
Key specifications for 153C7042P7: Length: 0.698 INCHES MINIMUM AND 0.702 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Left Projection Diameter: 0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN; Left Projection Length: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN. 16 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.