PartsTable TECHNICAL DATA SHEET

NSN 5310-01-433-1838Government record, cited

Washer, Flat5310-01-433-1838

NSN 5310-01-433-1838 · NIIN 014331838 · Part number 9916-000 REV C 2.50IN IT8

Velan Valve Corp. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 57574

Government record, cited

NSN 5310-01-433-1838 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-433-1838. Manufacturer of record part number: 9916-000 REV C 2.50IN IT8.

Also searched as 5310-01-433-1838 · 5310014331838 · NIIN 014331838 · 01-433-1838 · FSC 5310 Nuts and Washers · CAGE 57574 · 9916-000 REV C 2.50IN IT8

Nearby stock numbers ← 5310-01-433-1837 Washer, Flat · 5310-01-433-1841 Nut, Self-Locking, Hexagon →

5310-01-433-1838 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Velan Valve Corp.

Identification

NSN: 5310-01-433-1838
NIIN: 014331838
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 9916-000 REV C 2.50IN IT8
Manufacturer: Velan Valve Corp.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-433-1838, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Velan Valve Corp. (CAGE 57574)

Technical Specifications

Parameter	Value
NSN	5310-01-433-1838
Primary Part Number	9916-000 REV C 2.50IN IT8
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Velan Valve Corp.
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
9916-000 REV C 2.50IN IT8 PRIMARY	Velan Valve Corp. (USA)

Reference documents

Reference	Meaning
9916-000 REV C 2.50IN IT8	5/9 Secondary reference Cook Bros. Mfg.& Supply Co.

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 5310-01-433-1838?

NSN 5310-01-433-1838 is a Washer,flat, manufactured by Velan Valve Corp., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-433-1838?

NSN 5310-01-433-1838 has 1 manufacturer part number on file: 9916-000 REV C 2.50IN IT8 (Velan Valve Corp.).

Is NSN 5310-01-433-1838 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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