NSN 5310-01-434-3778 · NIIN 014343778 · Part number 12414315-021
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 5310-01-434-3778 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-434-3778. Manufacturer of record part number: 12414315-021.
Also searched as5310-01-434-3778 ·
5310014343778 ·
NIIN 014343778 ·
01-434-3778 ·
FSC 5310 Nuts and Washers · CAGE 19207 · 12414315-021 · 12414315
Width Across Flats: 29.16 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM MM
Thread Tolerance Class: 6H INTERNAL
Thread Series: M
Thread Pitch in Millimeters: 1.50
Thread Direction: RIGHT-HAND
Nominal Thread Size: 20.0 MILLIMETERS MM
Nut Height: 18.0 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM MM
Identification
NSN: 5310-01-434-3778
NIIN: 014343778
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 12414315-021
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-434-3778, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-434-3778
Primary Part Number
12414315-021
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
29.16 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM MM
Thread Tolerance Class
6H INTERNAL
Thread Series
M
Thread Pitch in Millimeters
1.50
Thread Direction
RIGHT-HAND
Nominal Thread Size
20.0 MILLIMETERS MM
Nut Height
18.0 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM MM
Surface Treatment
ZINC OVERALL
Nut Style
HEXAGON
Material
STEEL PROPERTY CLASS 5.8 OR STEEL PROPERTY CLASS 8.8 OVERALL
Bearing Surface Type
CHAMFERED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-462-058012414315-015POSSIBLE MATCH
NUT,SELF-LOCKING,HEXAGON
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-465-599712414315-031POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-479-297612414315-001POSSIBLE MATCH
NUT,SELF-LOCKING,HEXAGON
Possible match (shared part number)Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc
5310-01-564-569712414315-033POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-568-456912414315-008POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-728-943012414315-006POSSIBLE MATCH
NUT,SELF-LOCKING,HEXAGON
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
NSN 5310-01-434-3778 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 5310-01-434-3778?
NSN 5310-01-434-3778 has 3 manufacturer part numbers on file: 12414315-021 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12414315-021 (U S Army Tank Automotive Command Amsta-Im-Mm), 12414315-021 (Amz Alabama Inc.).
What NSN replaces 5310-01-434-3778?
6 possible matches (shared part number, not a government interchangeability claim): 5310-01-462-0580, 5310-01-465-5997, 5310-01-479-2976. Verify interchangeability with system specifications before substitution.
What are the specifications of 12414315-021?
Key specifications for 12414315-021: Width Across Flats: 29.16 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: M; Thread Pitch in Millimeters: 1.50. 11 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-434-3778 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.