The Nut,special, cataloged under National Stock Number 5310-01-118-1272, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huntington Valley Industries, Inc. Dba Huntington Valley Industries. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-118-1272 |
| Primary Part Number | 3822037-3 |
| Item Name | Nut,special |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huntington Valley Industries, Inc. Dba Huntington Valley Industries |
| Status | ACTIVE |
| General Characteristics Item Description | 0.438-20 UNF 3B RH THREAD,STEEL 4340 MIL-S-5000,ROCKWELL C SCALE 34 MIN AND ROCKWELL C SCALE 40 MAX,0.600 IN. MIN AND 0.620 IN.MAX NUT HEIGHT,0.680 IN. MIN AND 0.700 IN. MAX FLANGE DIA,0.560 IN. MIN AND 0.570 IN. MAX WIDTH ACROSS FLATS,0.448 IN. MIN AND 0.454 IN. MAX DIA OF BOSS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3822037-3 | Huntington Valley Industries, Inc. Dba Huntington Valley Industries (USA) |
| 3822037-3 | Fortner Aerospace Manufacturing Inc. Div Aerospace Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 10159700 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3822037-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-118-1272 is a Nut,special, manufactured by Huntington Valley Industries, Inc. Dba Huntington Valley Industries, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-118-1272 has 2 manufacturer part numbers on file: 3822037-3 (Huntington Valley Industries, Inc. Dba Huntington Valley Industries), 3822037-3 (Fortner Aerospace Manufacturing Inc. Div Aerospace Manufacturing).
Key specifications for 3822037-3: General Characteristics Item Description: 0.438-20 UNF 3B RH THREAD,STEEL 4340 MIL-S-5000,ROCKWELL C SCALE 34 MIN AND ROCKWELL C SCALE 40 MAX,0.600 IN. MIN AND 0.620 IN.MAX NUT HEIGHT,0.680 IN. MIN AND 0.700 IN. MAX FLANGE DIA,0.560 IN. MIN AND 0.570 IN. MAX WIDTH ACROSS FLATS,0.448 IN. MIN AND 0.454 IN. MAX DIA OF BOSS IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.