The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-429-5083, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-429-5083 |
| Primary Part Number | 3310-H-SS-0.950-085-12-HT |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.313 INCHES NOMINAL IN |
| Length | 0.950 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.035 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | PROJECTION ONE END |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.164 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | STEEL CORROSION RESISTING OVERALL |
| Right Projection Diameter | 0.234 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Right Projection Length | 0.085 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3310-H-SS-0.950-085-12-HT PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| Reference | Meaning |
|---|---|
| 74B059324-202 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 3310-H-SS-0.950 | C/1 Advisory reference — outside the item-of-supply concept Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
NSN 5340-01-429-5083 is a Standoff,threaded,spacing, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-429-5083 has 1 manufacturer part number on file: 3310-H-SS-0.950-085-12-HT (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 3310-H-SS-0.950-085-12-HT: Width Across Flats: 0.313 INCHES NOMINAL IN; Length: 0.950 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.035 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) 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.