PartsTable TECHNICAL DATA SHEET

NSN 5310-01-734-0103Government record, cited

Washer, Lock5310-01-734-0103

NSN 5310-01-734-0103 · NIIN 017340103 · Part number WLO3I .010/BO

Vigor Works Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 8CXQ6

Government record, cited

NSN 5310-01-734-0103 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-734-0103. Manufacturer of record part number: WLO3I .010/BO.

Also searched as 5310-01-734-0103 · 5310017340103 · NIIN 017340103 · 01-734-0103 · FSC 5310 Nuts and Washers · CAGE 8CXQ6 · WLO3I .010/BO · 66301-208 - PAGE 480 ITEM 13

Nearby stock numbers ← 5310-01-734-0099 Nut Assembly, Self-Locking, Gang C · 5310-01-734-0104 Washer, Flat →

5310-01-734-0103 — Nuts and Washers

Features

Washer,lock — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Vigor Works Llc

Identification

NSN: 5310-01-734-0103
NIIN: 017340103
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: WLO3I .010/BO
Manufacturer: Vigor Works Llc

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-734-0103, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Vigor Works Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Washer,lock
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Vigor Works Llc (CAGE 8CXQ6)

Technical Specifications

Parameter	Value
NSN	5310-01-734-0103
Primary Part Number	WLO3I .010/BO
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Vigor Works Llc
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
WLO3I .010/BO PRIMARY	Vigor Works Llc (USA)

Reference documents

Reference	Meaning
66301-208 - PAGE 480 ITEM 13	D/9 Drawing number reference only Vigor Works Llc

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 5310-01-734-0103?

NSN 5310-01-734-0103 is a Washer,lock, manufactured by Vigor Works Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-734-0103?

NSN 5310-01-734-0103 has 1 manufacturer part number on file: WLO3I .010/BO (Vigor Works Llc).

Is NSN 5310-01-734-0103 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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