NSN 5310-01-166-6393 · NIIN 011666393 · Part number 12328726
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 19207
Government record, cited
NSN 5310-01-166-6393 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-166-6393. Manufacturer of record part number: 12328726.
Also searched as5310-01-166-6393 ·
5310011666393 ·
NIIN 011666393 ·
01-166-6393 ·
FSC 5310 Nuts and Washers · CAGE 19207 · 12328726 · 10088100
Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
Thread Direction: RIGHT-HAND
Nominal Thread Size: 3.500 INCHES IN
Nut Height: 0.250 INCHES NOMINAL IN
Nut Style: HEXAGON
Identification
NSN: 5310-01-166-6393
NIIN: 011666393
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 12328726
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-166-6393, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-166-6393
Primary Part Number
12328726
Item Name
Nut,plain,hexagon
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
U S Army Tank Automotive Command Amsta-Im-Mm
Status
ACTIVE
Width Across Flats
4.590 INCHES NOMINAL IN
Thread Series
UN
Hardness Rating
28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-166-6393?
NSN 5310-01-166-6393 is a Nut,plain,hexagon, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-166-6393?
NSN 5310-01-166-6393 has 2 manufacturer part numbers on file: 12328726 (U S Army Tank Automotive Command Amsta-Im-Mm), 12328726 (Goriziane Group Spa).
What are the specifications of 12328726?
Key specifications for 12328726: Width Across Flats: 4.590 INCHES NOMINAL IN; Thread Series: UN; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM; Thread Direction: RIGHT-HAND. 11 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-166-6393 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.