BB57-S46-037ALT — PACKING NUT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

BB57-S46-037ALT: PACKING NUT.

The PACKING NUT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, slot_width: 0.250 INCHES NOMINAL IN, thread_size: 7/8IN-18 IN, thread_class: 3A A, thread_length: 0.438 INCHES NOMINAL IN, overall_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-595-1457, 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

BB57-S46-037ALT

NSN: 4730-00-595-1457
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	COPPER ALLOY
slot_width	0.250 INCHES NOMINAL IN
thread_size	7/8IN-18 IN
thread_class	3A A
thread_length	0.438 INCHES NOMINAL IN
overall_length	0.625 INCHES NOMINAL IN
style_designator	ROUND SLOTTED, EXTERNAL THREAD, BOSS
thread_direction	RIGHT-HAND
hole_or_slot_quantity	2
screw_thread_location	EXTERNAL
casehardening_indicator	NOT CASEHARDENED
smallest_inside_diameter	0.656 INCHES NOMINAL IN
NSN	4730-00-595-1457

COMPONENT DIAGRAM

KEY FEATURES

•

HOLE OR SLOT QUANTITY: 2

•

THREAD LENGTH: 0.438 INCHES NOMINAL IN

•

STYLE DESIGNATOR: ROUND SLOTTED, EXTERNAL THREAD, BOSS

•

MATERIAL DOCUMENT AND CLASSIFICATION: WW-T-756,TYPE B FED SPEC SINGLE MATERIAL RESPONSE

•

THREAD DIRECTION: RIGHT-HAND

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

•

THREAD SIZE: 7/8IN-18 IN

TECHNICAL CHARACTERISTICS

HOLE OR SLOT QUANTITY	2
THREAD LENGTH	0.438 INCHES NOMINAL IN
STYLE DESIGNATOR	ROUND SLOTTED, EXTERNAL THREAD, BOSS
MATERIAL DOCUMENT AND CLASSIFICATION	WW-T-756,TYPE B FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	0.625 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
CASEHARDENING INDICATOR	NOT CASEHARDENED
THREAD SIZE	7/8IN-18 IN
SCREW THREAD SERIES DESIGNATOR	UNS
THREAD CLASS	3A A

SUBSTITUTES & CROSS-REFERENCES 2

A2057-CReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

A2057C PIECE 16Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

Ready to buy BB57-S46-037ALT?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is BB57-S46-037ALT?

BB57-S46-037ALT is a PACKING NUT.

What parts can replace BB57-S46-037ALT?

There are 2 known substitutes for BB57-S46-037ALT: A2057-C, A2057C PIECE 16. Substitute compatibility should be verified for your specific system.

What is the NSN for BB57-S46-037ALT?

BB57-S46-037ALT is cataloged in the U.S. Government catalog under NSN 4730-00-595-1457. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

BB57-S46-037ALT — PACKING NUT

Request a Quote — BB57-S46-037ALT