S-920 PIECE 4 — LOCKNUT,TUBE FITTING

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

S-920 PIECE 4: LOCKNUT,TUBE FITTING.

The LOCKNUT,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 903 OVERALL, nut_style: TUBE FITTING LOCKNUT, nut_height: 0.562 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, special_features: MATERIAL IS GUNMETAL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-196-7432, 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

S-920 PIECE 4

NSN: 4730-01-196-7432
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 93591 — PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP (USA)

SPECIFICATIONS

material	COPPER ALLOY 903 OVERALL
nut_style	TUBE FITTING LOCKNUT
nut_height	0.562 INCHES NOMINAL IN
thread_class	2B
thread_series	UN
special_features	MATERIAL IS GUNMETAL
thread_direction	RIGHT-HAND
width_across_flats	2.500 INCHES NOMINAL IN
nominal_thread_size	1.875 INCHES IN
packing_recess_depth	0.188 INCHES NOMINAL IN
packing_recess_diameter	2.125 INCHES NOMINAL IN
thread_quantity_per_inch	12
NSN	4730-01-196-7432

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 2.500 INCHES NOMINAL IN

•

PACKING RECESS DIAMETER: 2.125 INCHES NOMINAL IN

•

THREAD SERIES: UN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 1.875 INCHES IN

•

NUT HEIGHT: 0.562 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	2.500 INCHES NOMINAL IN
PACKING RECESS DIAMETER	2.125 INCHES NOMINAL IN
THREAD SERIES	UN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	1.875 INCHES IN
NUT HEIGHT	0.562 INCHES NOMINAL IN
SPECIAL FEATURES	MATERIAL IS GUNMETAL
NUT STYLE	TUBE FITTING LOCKNUT
THREAD CLASS	2B

SUBSTITUTES & CROSS-REFERENCES 5

S-920Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

S-203Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

NK0670-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

S203PC11Reference document

Same NSN cross-reference

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

S-203-11Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 S-920 PIECE 4?

S-920 PIECE 4 is a LOCKNUT,TUBE FITTING.

What parts can replace S-920 PIECE 4?

There are 5 known substitutes for S-920 PIECE 4: S-920, S-203, NK0670-1 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for S-920 PIECE 4?

S-920 PIECE 4 is cataloged in the U.S. Government catalog under NSN 4730-01-196-7432. This indicates validated use in U.S. government and defense supply chains.

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