Nut5310-01-021-4208

NSN 5310-01-021-4208 · NIIN 010214208 · Part number B023

Circor Naval Solutions Llc Dba Warren Pumps · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 63857

Government record, cited

NSN 5310-01-021-4208 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-021-4208. Manufacturer of record part number: B023.

Also searched as 5310-01-021-4208 · 5310010214208 · NIIN 010214208 · 01-021-4208 · FSC 5310 Nuts and Washers · CAGE 63857 · B023 · R927PC26 · 993R0003PC26

Nearby stock numbers ← 5310-01-021-4206 · 5310-01-021-4209 Nut, Self-Locking →

5310-01-021-4208 — Nuts and Washers

Features

Nut — FSC 5310
3 manufacturer part numbers on file
Manufacturer of record: Circor Naval Solutions Llc Dba Warren Pumps

Identification

NSN: 5310-01-021-4208
NIIN: 010214208
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: B023
Manufacturer: Circor Naval Solutions Llc Dba Warren Pumps

General Description

The Nut, cataloged under National Stock Number 5310-01-021-4208, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Nut
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)

Technical Specifications

Parameter	Value
NSN	5310-01-021-4208
Primary Part Number	B023
Item Name	Nut
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Circor Naval Solutions Llc Dba Warren Pumps
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4720-01-470-8134B023KJJ0184C POSSIBLE MATCH

HOSE ASSEMBLY,NONMETALLIC

Possible match (shared part number)Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division

Cross-Reference Index

Part Number	Manufacturer
R927PC26	Circor Naval Solutions Llc Dba Warren Pumps (USA)
B023 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
993R0003PC26	Circor Naval Solutions Llc Dba Warren Pumps (USA)

Related Parts

4720-01-470-8134POSSIBLE MATCH

HOSE ASSEMBLY,NONMETALLIC

B023KJJ0184C

Frequently Asked Questions

What is NSN 5310-01-021-4208?

NSN 5310-01-021-4208 is a Nut, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-021-4208?

NSN 5310-01-021-4208 has 3 manufacturer part numbers on file: R927PC26 (Circor Naval Solutions Llc Dba Warren Pumps), B023 (Circor Naval Solutions Llc Dba Warren Pumps), 993R0003PC26 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 5310-01-021-4208?

1 possible match (shared part number, not a government interchangeability claim): 4720-01-470-8134. Verify interchangeability with system specifications before substitution.

Is NSN 5310-01-021-4208 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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