Washer, Flat5310-01-582-1239

NSN 5310-01-582-1239 · NIIN 015821239 · Part number 210-20B27

Gomaco Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 8M585

Government record, cited

NSN 5310-01-582-1239 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-582-1239. Manufacturer of record part number: 210-20B27.

Also searched as 5310-01-582-1239 · 5310015821239 · NIIN 015821239 · 01-582-1239 · FSC 5310 Nuts and Washers · CAGE 8M585 · 210-20B27

Nearby stock numbers ← 5310-01-582-1130 Nut, Plain, Extended Washer, Hexago · 5310-01-582-1244 Washer, Flat →

5310-01-582-1239 — Nuts and Washers

Features

Washer,flat — FSC 5310
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Center Hole Shape Style: ROUND
Hole Diameter: 0.375 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Gomaco Corp

Identification

NSN: 5310-01-582-1239
NIIN: 015821239
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 210-20B27
Manufacturer: Gomaco Corp

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-582-1239, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Gomaco Corp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-582-1239
Primary Part Number	210-20B27
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Gomaco Corp
Status	ACTIVE
Cross-Sectional Shape Style	RECTANGULAR
Peripheral Shape Style	ROUND
Center Hole Shape Style	ROUND
Hole Diameter	0.375 INCHES NOMINAL IN

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
210-20B27 PRIMARY	Gomaco Corp (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 5310-01-582-1239?

NSN 5310-01-582-1239 is a Washer,flat, manufactured by Gomaco Corp, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-582-1239?

NSN 5310-01-582-1239 has 1 manufacturer part number on file: 210-20B27 (Gomaco Corp).

What are the specifications of 210-20B27?

Key specifications for 210-20B27: Cross-Sectional Shape Style: RECTANGULAR; Special Features: USED ON TRANSITION BELTING ASSEMBLY, P/N 904917-096; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: SNUBBING WASHER .375. 4 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-582-1239 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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