PartsTable TECHNICAL DATA SHEET

NSN 5310-01-250-7828Government record, cited

Washer, Flat5310-01-250-7828

NSN 5310-01-250-7828 · NIIN 012507828 · Part number 2185925

A.w. Mack Manufacturing Co., Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 32448

Government record, cited

NSN 5310-01-250-7828 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-250-7828. Manufacturer of record part number: 2185925.

Also searched as 5310-01-250-7828 · 5310012507828 · NIIN 012507828 · 01-250-7828 · FSC 5310 Nuts and Washers · CAGE 32448 · 2185925

Nearby stock numbers ← 5310-01-250-7778 Washer, Key · 5310-01-250-7829 →

5310-01-250-7828 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: A.w. Mack Manufacturing Co., Inc.

Identification

NSN: 5310-01-250-7828
NIIN: 012507828
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 2185925
Manufacturer: A.w. Mack Manufacturing Co., Inc.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-250-7828, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is A.w. Mack Manufacturing Co., Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); A.w. Mack Manufacturing Co., Inc. (CAGE 32448)

Technical Specifications

Parameter	Value
NSN	5310-01-250-7828
Primary Part Number	2185925
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	A.w. Mack Manufacturing Co., 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)

Cross-Reference Index

Part Number	Manufacturer
2185925	Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
2185925 PRIMARY	A.w. Mack Manufacturing Co., Inc. (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 5310-01-250-7828?

NSN 5310-01-250-7828 is a Washer,flat, manufactured by A.w. Mack Manufacturing Co., Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-250-7828?

NSN 5310-01-250-7828 has 2 manufacturer part numbers on file: 2185925 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 2185925 (A.w. Mack Manufacturing Co., Inc.).

Is NSN 5310-01-250-7828 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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