NSN 5310-01-556-4599 · NIIN 015564599 · Part number 40X-1236
Meritor Heavy Vehicle Systems, Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 78500
Government record, cited
NSN 5310-01-556-4599 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-556-4599. Manufacturer of record part number: 40X-1236.
Also searched as5310-01-556-4599 ·
5310015564599 ·
NIIN 015564599 ·
01-556-4599 ·
FSC 5310 Nuts and Washers · CAGE 78500 · 40X-1236 · 1689588C1 · 40X1236 · 40X-1236X
Manufacturer of record: Meritor Heavy Vehicle Systems, Llc
Identification
NSN: 5310-01-556-4599
NIIN: 015564599
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 40X-1236
Manufacturer: Meritor Heavy Vehicle Systems, Llc
General Description
The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-556-4599, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
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 5310-01-556-4599?
NSN 5310-01-556-4599 is a Nut,self-Locking,hexagon, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-556-4599?
NSN 5310-01-556-4599 has 3 manufacturer part numbers on file: 1689588C1 (Nd Defense Llc), 40X-1236 (Meritor Heavy Vehicle Systems, Llc), 40X1236 (Meritor Industrial Products, Llc).
What are the specifications of 40X-1236?
Key specifications for 40X-1236: Thread Series: MJ; Thread Direction: RIGHT-HAND; Special Features: THESE ARE THE DIMENTIONS IN MM NOMINAL: WIDTH ACCROSS FLATS, 45.7; FROM POINT TO POINT ON THE HEXAGON, 52.2; HEIGHT, 18.3; OUTSIDE DIAMETER OF SHAFT, 39.8; INSIDE OF SHAFT, 33.0; THIS HAS A COUNTERSINK OF 90 DEGREES; Part Name Assigned by Controlling Agency: NUT-LOCK. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-556-4599 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.