NSN 5310-00-149-9055 · NIIN 001499055 · Part number 4F8254
Caterpillar Inc Div Caterpillar Defense · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5310-00-149-9055 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-149-9055. Manufacturer of record part number: 4F8254.
Also searched as5310-00-149-9055 ·
5310001499055 ·
NIIN 001499055 ·
00-149-9055 ·
FSC 5310 Nuts and Washers · CAGE 11083 · 4F8254
General Characteristics Item Description: STEEL,8 IN. W O/A,8-1/2 IN. LG O/A,8 IN. H O/A,3 UNTHD MTG HOLES IN FLANG3 0.785 IN. DIA,INTERNAL THD IN @HUB 2-3/8-8 UN 2B,RH,3-1/4 IN. DEEP IN
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 5310-00-149-9055
NIIN: 001499055
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 4F8254
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Nut,adjusting,idler, cataloged under National Stock Number 5310-00-149-9055, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-149-9055
Primary Part Number
4F8254
Item Name
Nut,adjusting,idler
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
General Characteristics Item Description
STEEL,8 IN. W O/A,8-1/2 IN. LG O/A,8 IN. H O/A,3 UNTHD MTG HOLES IN FLANG3 0.785 IN. DIA,INTERNAL THD IN @HUB 2-3/8-8 UN 2B,RH,3-1/4 IN. DEEP IN
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 5310-00-149-9055?
NSN 5310-00-149-9055 is a Nut,adjusting,idler, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-149-9055?
NSN 5310-00-149-9055 has 1 manufacturer part number on file: 4F8254 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 4F8254?
Key specifications for 4F8254: General Characteristics Item Description: STEEL,8 IN. W O/A,8-1/2 IN. LG O/A,8 IN. H O/A,3 UNTHD MTG HOLES IN FLANG3 0.785 IN. DIA,INTERNAL THD IN @HUB 2-3/8-8 UN 2B,RH,3-1/4 IN. DEEP IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 5310-00-149-9055 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.