Nut, Self-Locking, Hexagon5310-01-681-9782

NSN 5310-01-681-9782 · NIIN 016819782 · Part number OB1642D

Oberdorfer Pumps Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 4K628

Government record, cited

NSN 5310-01-681-9782 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-681-9782. Manufacturer of record part number: OB1642D.

Also searched as 5310-01-681-9782 · 5310016819782 · NIIN 016819782 · 01-681-9782 · FSC 5310 Nuts and Washers · CAGE 4K628 · OB1642D

Nearby stock numbers ← 5310-01-681-9781 Washer, Flat · 5310-01-681-9982 Washer, Flat →

5310-01-681-9782 — Nuts and Washers

Features

Nut,self-Locking,hexagon — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Oberdorfer Pumps Inc

Identification

NSN: 5310-01-681-9782
NIIN: 016819782
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: OB1642D
Manufacturer: Oberdorfer Pumps Inc

General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-681-9782, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oberdorfer Pumps Inc. 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	5310-01-681-9782
Primary Part Number	OB1642D
Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Oberdorfer Pumps Inc
Status	ACTIVE

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

Cross-Reference Index

Part Number	Manufacturer
OB1642D PRIMARY	Oberdorfer Pumps Inc (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 5310-01-681-9782?

NSN 5310-01-681-9782 is a Nut,self-Locking,hexagon, manufactured by Oberdorfer Pumps Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-681-9782?

NSN 5310-01-681-9782 has 1 manufacturer part number on file: OB1642D (Oberdorfer Pumps Inc).

What are the specifications of OB1642D?

Key specifications for OB1642D: Part Name Assigned by Controlling Agency: LOCKNUT; End Item Identification: ROTARY GEAR PUMP MODEL N7000. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-681-9782 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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