Washer, Spring Tension5310-01-504-5322

NSN 5310-01-504-5322 · NIIN 015045322 · Part number 166101-001

Automatic Switch Company Dba Asco · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 04845

Government record, cited

NSN 5310-01-504-5322 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-504-5322. Manufacturer of record part number: 166101-001.

Also searched as 5310-01-504-5322 · 5310015045322 · NIIN 015045322 · 01-504-5322 · FSC 5310 Nuts and Washers · CAGE 04845 · 166101-001 · AV174565 ITEM NO 15 · AV174565

Nearby stock numbers ← 5310-01-504-5301 Washer, Flat · 5310-01-504-5359 Nut, Plain, Hexagon →

5310-01-504-5322 — Nuts and Washers

Features

Washer,spring Tension — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Automatic Switch Company Dba Asco

Identification

NSN: 5310-01-504-5322
NIIN: 015045322
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 166101-001
Manufacturer: Automatic Switch Company Dba Asco

General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-01-504-5322, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Automatic Switch Company Dba Asco. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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,spring Tension
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Automatic Switch Company Dba Asco (CAGE 04845)

Technical Specifications

Parameter	Value
NSN	5310-01-504-5322
Primary Part Number	166101-001
Item Name	Washer,spring Tension
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Automatic Switch Company Dba Asco
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
AV174565 ITEM NO 15	Automatic Switch Company Dba Asco (USA)
166101-001 PRIMARY	Automatic Switch Company Dba Asco (USA)

Reference documents

Reference	Meaning
AV174565	D/9 Drawing number reference only Automatic Switch Company Dba Asco

Frequently Asked Questions

What is NSN 5310-01-504-5322?

NSN 5310-01-504-5322 is a Washer,spring Tension, manufactured by Automatic Switch Company Dba Asco, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-504-5322?

NSN 5310-01-504-5322 has 2 manufacturer part numbers on file: AV174565 ITEM NO 15 (Automatic Switch Company Dba Asco), 166101-001 (Automatic Switch Company Dba Asco).

Is NSN 5310-01-504-5322 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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