Washer, Curved Sprin5310-01-478-9050

NSN 5310-01-478-9050 · NIIN 014789050 · Part number U312-0210

Ami Industries, Inc Div Utc Aerospace Systems · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 31218

Government record, cited

NSN 5310-01-478-9050 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-478-9050. Manufacturer of record part number: U312-0210.

Also searched as 5310-01-478-9050 · 5310014789050 · NIIN 014789050 · 01-478-9050 · FSC 5310 Nuts and Washers · CAGE 31218 · U312-0210

Nearby stock numbers ← 5310-01-478-9039 Nut, Plain, Hexagon · 5310-01-478-9078 Washer, Flat →

5310-01-478-9050 — Nuts and Washers

Features

Washer,curved Sprin — FSC 5310
3 manufacturer part numbers on file
Manufacturer of record: Ami Industries, Inc Div Utc Aerospace Systems

Identification

NSN: 5310-01-478-9050
NIIN: 014789050
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: U312-0210
Manufacturer: Ami Industries, Inc Div Utc Aerospace Systems

General Description

The Washer,curved Sprin, cataloged under National Stock Number 5310-01-478-9050, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ami Industries, Inc Div Utc Aerospace Systems. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-478-9050
Primary Part Number	U312-0210
Item Name	Washer,curved Sprin
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Ami Industries, Inc Div Utc Aerospace Systems
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
U312-0210	Barnes Group Inc (USA)
U312-0210 PRIMARY	Ami Industries, Inc Div Utc Aerospace Systems (USA)
U312-0210	Associated Spring Us, Llc Div Corry (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 5310-01-478-9050?

NSN 5310-01-478-9050 is a Washer,curved Sprin, manufactured by Ami Industries, Inc Div Utc Aerospace Systems, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-478-9050?

NSN 5310-01-478-9050 has 3 manufacturer part numbers on file: U312-0210 (Barnes Group Inc), U312-0210 (Ami Industries, Inc Div Utc Aerospace Systems), U312-0210 (Associated Spring Us, Llc Div Corry).

What are the specifications of U312-0210?

Key specifications for U312-0210: End Item Identification: AWACS-E3A EARLY WARNING SYSTEM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-478-9050 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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