The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-237-3203, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Unicorp.. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-237-3203 |
| Primary Part Number | P-889-M04-F13A-440 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Unicorp. |
| Status | ACTIVE |
| Length | 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Diameter | 0.312 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND |
| 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 |
|---|---|
| 8351-A-0440-10 | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| P-889-M04-F13A-440 PRIMARY | Unicorp. (USA) |
| 1220-R-A-1.750-15 | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| Reference | Meaning |
|---|---|
| 8351-A-0440-10 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| GS500AY04A5D28 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5340-01-237-3203 is a Standoff,threaded,spacing, manufactured by Unicorp., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-237-3203 has 3 manufacturer part numbers on file: 8351-A-0440-10 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware), P-889-M04-F13A-440 (Unicorp.), 1220-R-A-1.750-15 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for P-889-M04-F13A-440: Length: 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN; Style Designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS; Diameter: 0.312 INCHES NOMINAL IN; Cross-Sectional Shape: ROUND. 4 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.