Washer, Flat5310-01-187-3924

NSN 5310-01-187-3924 · NIIN 011873924 · Part number 8U33320-01

Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 07703

Government record, cited

NSN 5310-01-187-3924 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-187-3924. Manufacturer of record part number: 8U33320-01.

Also searched as 5310-01-187-3924 · 5310011873924 · NIIN 011873924 · 01-187-3924 · FSC 5310 Nuts and Washers · CAGE 07703 · 8U33320-01

Nearby stock numbers ← 5310-01-187-3923 Washer, Key · 5310-01-187-3925 Washer, Flat →

5310-01-187-3924 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 2.062 INCHES NOMINAL IN
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Center Hole Shape Style: ROUND
Hole Diameter: 1.125 INCHES NOMINAL IN
Thickness: 0.500 INCHES NOMINAL IN
1 manufacturer part number on file

Identification

NSN: 5310-01-187-3924
NIIN: 011873924
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 8U33320-01
Manufacturer: Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-187-3924, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory. Government technical data includes 6 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	5310-01-187-3924
Primary Part Number	8U33320-01
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory
Status	ACTIVE
Overall Diameter	2.062 INCHES NOMINAL IN
Cross-Sectional Shape Style	RECTANGULAR
Peripheral Shape Style	ROUND
Center Hole Shape Style	ROUND
Hole Diameter	1.125 INCHES NOMINAL IN
Thickness	0.500 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
8U33320-01 PRIMARY	Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (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 5310-01-187-3924?

NSN 5310-01-187-3924 is a Washer,flat, manufactured by Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-187-3924?

NSN 5310-01-187-3924 has 1 manufacturer part number on file: 8U33320-01 (Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory).

What are the specifications of 8U33320-01?

Key specifications for 8U33320-01: Overall Diameter: 2.062 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-187-3924 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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