PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

BS4-1903PC12Nut,cap,special

Name: BS4-1903PC12
SKU: 5310-00-216-8026

Circor Naval Solutions Llc Dba Warren Pumps · NSN 5310-00-216-8026 · FSC 5310 · No Item Name Available

Verified by PartsTable

NSN 5310-00-216-8026 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-216-8026. Primary manufacturer part number: BS4-1903PC12.

5310-00-216-8026 — No Item Name Available illustration

Features

Nut,cap,special — FSC 5310
General Characteristics Item Description: BRONZE
11 verified cross-references
Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps

Applications

Structural fastening and assembly
Equipment mounting
Panel and housing attachment

General Description

The Nut,cap,special, cataloged under National Stock Number 5310-00-216-8026, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-00-216-8026
Primary Part Number	BS4-1903PC12
Item Name	Nut,cap,special
FSC / FSG	5310 / 53 — No Item Name Available
Manufacturer	Circor Naval Solutions Llc Dba Warren Pumps
Status	ACTIVE
General Characteristics Item Description	BRONZE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 10

3110-00-156-1769 INTERCHANGEABLE

Bearing,ball,thrust

4530-00-449-48535-13-2074-22 INTERCHANGEABLE

Valve Assembly,actuating

W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center

5330-00-580-6061 INTERCHANGEABLE

Ring,wiper

6685-00-671-1143 INTERCHANGEABLE

Gage,pressure,dial Indicating

4930-01-103-91265806 INTERCHANGEABLE

Adapter,grease Gun Coupling

B. W. Rogers Company

5120-01-145-0281G27 INTERCHANGEABLE

Riveter,blind,hand

Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace

3020-01-258-8100 INTERCHANGEABLE

Gear,spur

2520-01-321-376327G466131 INTERCHANGEABLE

Cover,transmission

Karl Senner, L.l.c. Dba Karl Senner Inc

5120-01-393-1538 INTERCHANGEABLE

Riveter,blind,hand

5120-01-491-9353G27 INTERCHANGEABLE

Riveter,blind,hand

U.s. Industrial Tool and Supply Company Dba Usit Co

Cross-Reference Index

Part Number	Manufacturer
BS4-1903PC12 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1897PC12 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
G27 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1495PC12 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1931PC12 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
R96PC16 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
R96APC16 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1497PC12 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
R98PC16 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1902PC12 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1932PC12 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)

Related Parts

3110-00-156-1769INTERCHANGEABLE

BEARING,BALL,THRUST

4530-00-449-4853INTERCHANGEABLE

VALVE ASSEMBLY,ACTUATING

5-13-2074-22

5330-00-580-6061INTERCHANGEABLE

RING,WIPER

6685-00-671-1143INTERCHANGEABLE

GAGE,PRESSURE,DIAL INDICATING

4930-01-103-9126INTERCHANGEABLE

ADAPTER,GREASE GUN COUPLING

5806

5120-01-145-0281INTERCHANGEABLE

RIVETER,BLIND,HAND

G27

3020-01-258-8100INTERCHANGEABLE

GEAR,SPUR

2520-01-321-3763INTERCHANGEABLE

COVER,TRANSMISSION

27G466131

5120-01-393-1538INTERCHANGEABLE

RIVETER,BLIND,HAND

5120-01-491-9353INTERCHANGEABLE

RIVETER,BLIND,HAND

G27

Frequently Asked Questions

What is NSN 5310-00-216-8026?

NSN 5310-00-216-8026 is a Nut,cap,special, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-216-8026?

NSN 5310-00-216-8026 has 11 cross-referenced part numbers: BS4-1903PC12 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1897PC12 (Circor Naval Solutions Llc Dba Warren Pumps), G27 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1495PC12 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1931PC12 (Circor Naval Solutions Llc Dba Warren Pumps) and 6 more.

What NSN replaces 5310-00-216-8026?

There are 10 known substitutes for 5310-00-216-8026: 3110-00-156-1769, 4530-00-449-4853, 5330-00-580-6061 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BS4-1903PC12?

Key specifications for BS4-1903PC12: General Characteristics Item Description: BRONZE; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; End Item Identification: HOUIDAILLE INDUSTRIES INC PUMP MODEL NO. 1-1/2 SSV5. 3 total characteristics are documented in the Federal Logistics Information System.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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