The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-449-3100, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Itt Cannon Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-449-3100 |
| Primary Part Number | D110551 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Itt Cannon Llc |
| Status | ACTIVE |
| Style Designator | PROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Nominal Thread Size | 0.112 INCHES RIGHT EXTERNAL IN |
| Nominal Thread Size | 0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Thread Class | 2A RIGHT EXTERNAL A |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 40 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 40 RIGHT EXTERNAL |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 12273461 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| D110551 PRIMARY | Itt Cannon Llc (USA) |
| Reference | Meaning |
|---|---|
| D110551 | 5/9 Secondary reference Itt Industries Limited, Itt Cannon Uk |
| D110551 | 5/9 Secondary reference Delcom Electronic Gmbh |
| 150471-01 | 5/9 Secondary reference Ge Aviation Systems Llc |
| 4000545 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International |
| 105115 | 5/9 Secondary reference Tempo Instrument Inc Defense Electronics Div |
| 25451-80004 | 5/9 Secondary reference Leonardo Mw Ltd |
| 11830498 | 5/9 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 105115 | 5/9 Secondary reference B.c. Systems Inc. Dba Bc Systems Inc |
| 7904208-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 12704307 | 5/9 Secondary reference Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| 867100-2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2804092-2 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
| 073-008421-001 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| V515-50049-1 | 5/9 Secondary reference U.S. Government activity |
| 4204921 | 5/9 Secondary reference Thales Uk Limited Dba Thales Uk Ltd Defence Mission Systems |
| 7117418-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 25436-00174 | 5/9 Secondary reference Leonardo Mw Ltd |
NSN 5340-00-449-3100 is a Standoff,threaded,spacing, manufactured by Itt Cannon Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-449-3100 has 2 manufacturer part numbers on file: 12273461 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), D110551 (Itt Cannon Llc).
4 possible matches (shared part number, not a government interchangeability claim): 1730-00-722-1232, 3439-01-009-0438, 5935-01-111-4804. Verify interchangeability with system specifications before substitution.
Key specifications for D110551: Style Designator: PROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD; Nominal Thread Size: 0.112 INCHES RIGHT EXTERNAL IN; Nominal Thread Size: 0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN; Thread Class: 2A RIGHT EXTERNAL A. 10 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.