Washer, Plain5310-01-121-3990

NSN 5310-01-121-3990 · NIIN 011213990 · Part number JM5112-031

Jay-Em Aerospace Corporation · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 23233

Government record, cited

NSN 5310-01-121-3990 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-121-3990. Manufacturer of record part number: JM5112-031.

Also searched as 5310-01-121-3990 · 5310011213990 · NIIN 011213990 · 01-121-3990 · FSC 5310 Nuts and Washers · CAGE 23233 · JM5112-031

Nearby stock numbers ← 5310-01-121-3989 Nut · 5310-01-121-3991 Nut →

5310-01-121-3990 — Nuts and Washers

Features

Washer,plain — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Jay-Em Aerospace Corporation

Identification

NSN: 5310-01-121-3990
NIIN: 011213990
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: JM5112-031
Manufacturer: Jay-Em Aerospace Corporation

General Description

The Washer,plain, cataloged under National Stock Number 5310-01-121-3990, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Jay-Em Aerospace Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,plain
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Jay-Em Aerospace Corporation (CAGE 23233)

Technical Specifications

Parameter	Value
NSN	5310-01-121-3990
Primary Part Number	JM5112-031
Item Name	Washer,plain
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Jay-Em Aerospace Corporation
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
JM5112-031 PRIMARY	Jay-Em Aerospace Corporation (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 5310-01-121-3990?

NSN 5310-01-121-3990 is a Washer,plain, manufactured by Jay-Em Aerospace Corporation, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-121-3990?

NSN 5310-01-121-3990 has 1 manufacturer part number on file: JM5112-031 (Jay-Em Aerospace Corporation).

Is NSN 5310-01-121-3990 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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