The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-502-3638, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-502-3638 |
| Primary Part Number | 844475-1 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Length | 0.350 INCHES NOMINAL IN |
| Thread Pitch in Millimeters | 2.5 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Cross-Sectional Shape | HEXAGON |
| Material | STEEL COMP 1020 OVERALL |
| Thread Series Designator | M 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 |
|---|---|
| 844475-1 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 1315-071F 400 ITEM 13 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 33895-632 | Schroff Inc Dba Pentair Technical Products (USA) |
| Reference | Meaning |
|---|---|
| 844475 | D/9 Drawing number reference only Litton Systems Inc. Div Navigation Systems Division |
| 844475-1 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5340-01-502-3638 is a Standoff,threaded,spacing, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-502-3638 has 3 manufacturer part numbers on file: 844475-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 1315-071F 400 ITEM 13 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 33895-632 (Schroff Inc Dba Pentair Technical Products).
Key specifications for 844475-1: Length: 0.350 INCHES NOMINAL IN; Thread Pitch in Millimeters: 2.5 LEFT INTERNAL (INCLUDES THRU THREAD); Style Designator: INTERNALLY THREADED FULL LENGTH; Cross-Sectional Shape: HEXAGON. 6 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.