Nut, Self-Locking, Hexagon5310-01-445-6444

NSN 5310-01-445-6444 · NIIN 014456444 · Part number 90040A032

Buffaloes Fire Pump Inc. Dba R B Pump Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 62503

Government record, cited

NSN 5310-01-445-6444 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-445-6444. Manufacturer of record part number: 90040A032.

Also searched as 5310-01-445-6444 · 5310014456444 · NIIN 014456444 · 01-445-6444 · FSC 5310 Nuts and Washers · CAGE 62503 · 90040A032

Nearby stock numbers ← 5310-01-445-6443 Washer, Lock · 5310-01-445-6451 Washer, Flat →

5310-01-445-6444 — Nuts and Washers

Features

Nut,self-Locking,hexagon — FSC 5310
3 manufacturer part numbers on file
Manufacturer of record: Buffaloes Fire Pump Inc. Dba R B Pump Co

Identification

NSN: 5310-01-445-6444
NIIN: 014456444
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 90040A032
Manufacturer: Buffaloes Fire Pump Inc. Dba R B Pump Co

General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-445-6444, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Buffaloes Fire Pump Inc. Dba R B Pump Co. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Buffaloes Fire Pump Inc. Dba R B Pump Co (CAGE 62503); Mcmaster-Carr Supply Company (CAGE 2V507); Tld Wollard Llc (CAGE 44185)

Technical Specifications

Parameter	Value
NSN	5310-01-445-6444
Primary Part Number	90040A032
Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Buffaloes Fire Pump Inc. Dba R B Pump Co
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
90040A032 PRIMARY	Buffaloes Fire Pump Inc. Dba R B Pump Co (USA)
90040A032	Mcmaster-Carr Supply Company (USA)
90040A032	Tld Wollard Llc (USA)

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

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 5310-01-445-6444?

NSN 5310-01-445-6444 is a Nut,self-Locking,hexagon, manufactured by Buffaloes Fire Pump Inc. Dba R B Pump Co, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-445-6444?

NSN 5310-01-445-6444 has 3 manufacturer part numbers on file: 90040A032 (Buffaloes Fire Pump Inc. Dba R B Pump Co), 90040A032 (Mcmaster-Carr Supply Company), 90040A032 (Tld Wollard Llc).

Is NSN 5310-01-445-6444 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.

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