PartsTable TECHNICAL DATA SHEET

NSN 5310-01-261-1223Government record, cited

Washer, Flat5310-01-261-1223

NSN 5310-01-261-1223 · NIIN 012611223 · Part number 1881C279-02

Ace Precision Industries Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 65933

Government record, cited

NSN 5310-01-261-1223 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-261-1223. Manufacturer of record part number: 1881C279-02.

Also searched as 5310-01-261-1223 · 5310012611223 · NIIN 012611223 · 01-261-1223 · FSC 5310 Nuts and Washers · CAGE 65933 · 1881C279-02

Nearby stock numbers ← 5310-01-261-1178 · 5310-01-261-1227 Washer, Lock →

5310-01-261-1223 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Ace Precision Industries Inc

Identification

NSN: 5310-01-261-1223
NIIN: 012611223
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 1881C279-02
Manufacturer: Ace Precision Industries Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-261-1223, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ace Precision Industries Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	5310-01-261-1223
Primary Part Number	1881C279-02
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Ace Precision Industries 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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
1881C279-02 PRIMARY	Ace Precision Industries Inc (USA)
1881C279-02	Goodrich Corporation (USA)

Reference documents

Reference	Meaning
1881C279-02	5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems

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 5310-01-261-1223?

NSN 5310-01-261-1223 is a Washer,flat, manufactured by Ace Precision Industries Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-261-1223?

NSN 5310-01-261-1223 has 2 manufacturer part numbers on file: 1881C279-02 (Ace Precision Industries Inc), 1881C279-02 (Goodrich Corporation).

What are the specifications of 1881C279-02?

Key specifications for 1881C279-02: End Item Identification: B1B ACFT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-261-1223 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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