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B-1612 PIECE 4 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B-1612 PIECE 4: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140, overall_length: 32.750 INCHES NOMINAL IN, largest_step_diameter: 2.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-202-5543, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
B-1612 PIECE 4
NSN: 3040-01-202-5543
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL COMP 4140
overall_length32.750 INCHES NOMINAL IN
largest_step_diameter2.250 INCHES NOMINAL IN
NSN3040-01-202-5543
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN B-1612 PIECE 4 MFR SHAFT,SHOULDERED
KEY FEATURES
•
LARGEST STEP DIAMETER: 2.250 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 4140
TECHNICAL CHARACTERISTICS
LARGEST STEP DIAMETER2.250 INCHES NOMINAL IN
OVERALL LENGTH32.750 INCHES NOMINAL IN
MATERIALSTEEL COMP 4140
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES 1
16B0797F084AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-1612 PIECE 4?
B-1612 PIECE 4 is a SHAFT,SHOULDERED.
What parts can replace B-1612 PIECE 4?
There is 1 known substitute for B-1612 PIECE 4: 16B0797F084A. Substitute compatibility should be verified for your specific system.
What is the NSN for B-1612 PIECE 4?
B-1612 PIECE 4 is cataloged in the U.S. Government catalog under NSN 3040-01-202-5543. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.