PartsTable TECHNICAL DATA SHEET

NSN 5310-01-064-3887Government record, cited

Washer, Lock5310-01-064-3887

NSN 5310-01-064-3887 · NIIN 010643887 · Part number 2-63-0356

Welch Vacuum Technology Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0NCC5

Government record, cited

NSN 5310-01-064-3887 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-064-3887. Manufacturer of record part number: 2-63-0356.

Also searched as 5310-01-064-3887 · 5310010643887 · NIIN 010643887 · 01-064-3887 · FSC 5310 Nuts and Washers · CAGE 0NCC5 · 2-63-0356

Nearby stock numbers ← 5310-01-064-3844 · 5310-01-064-3910 Nut, Self-Locking, Cone Seat, Hexag →

5310-01-064-3887 — Nuts and Washers

Features

Washer,lock — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Welch Vacuum Technology Inc

Identification

NSN: 5310-01-064-3887
NIIN: 010643887
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 2-63-0356
Manufacturer: Welch Vacuum Technology Inc

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-064-3887, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Welch Vacuum Technology Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Welch Vacuum Technology Inc (CAGE 0NCC5)

Technical Specifications

Parameter	Value
NSN	5310-01-064-3887
Primary Part Number	2-63-0356
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Welch Vacuum Technology 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)

Cross-Reference Index

Part Number	Manufacturer
2-63-0356 PRIMARY	Welch Vacuum Technology Inc (USA)

Reference documents

Reference	Meaning
2-63-0356	3/9 Design control — primary reference Sargent-Welch Scientific Co

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 5310-01-064-3887?

NSN 5310-01-064-3887 is a Washer,lock, manufactured by Welch Vacuum Technology Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-064-3887?

NSN 5310-01-064-3887 has 1 manufacturer part number on file: 2-63-0356 (Welch Vacuum Technology Inc).

Is NSN 5310-01-064-3887 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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