751961 — NUT,CLIP-ON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

751961: NUT,CLIP-ON.

The NUT,CLIP-ON is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: FLOATINGFLOATING, thread_class: 3B3B, overall_width: 0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF), hardness_rating: 32.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM38.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-388-6218, 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

751961

NSN: 5310-01-388-6218
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	FLOATINGFLOATING
thread_class	3B3B
overall_width	0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating	32.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM38.0 ROCKWELL C MAXIMUM
panel_thickness	0.160 INCHES NOMINAL0.160 INCHES NOMINAL IN
thread_direction	RIGHT-HANDRIGHT-HAND
precious_material	SILVER
surface_treatment	SILVER OVERALL
nominal_thread_size	0.190 INCHES0.190 INCHES IN
thread_quantity_per_inch	3232
NSN	5310-01-388-6218

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)

•

PRECIOUS MATERIAL: SILVER

•

HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM38.0 ROCKWELL C MAXIMUM

•

DISTANCE FROM BASE TO CENTER OF APERTURE: 0.400 INCHES NOMINAL0.400 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HANDRIGHT-HAND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
PRECIOUS MATERIAL	SILVER
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM38.0 ROCKWELL C MAXIMUM
DISTANCE FROM BASE TO CENTER OF APERTURE	0.400 INCHES NOMINAL0.400 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH	0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
PANEL THICKNESS	0.160 INCHES NOMINAL0.160 INCHES NOMINAL IN
NOMINAL THREAD SIZE	0.190 INCHES0.190 INCHES IN

SUBSTITUTES & CROSS-REFERENCES 2

185511Reference document

Same NSN cross-reference

Reference document — Secondary reference

F39304-3-2Reference 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 751961?

751961 is a NUT,CLIP-ON.

What parts can replace 751961?

There are 2 known substitutes for 751961: 185511, F39304-3-2. Substitute compatibility should be verified for your specific system.

What is the NSN for 751961?

751961 is cataloged in the U.S. Government catalog under NSN 5310-01-388-6218. This indicates validated use in U.S. government and defense supply chains.

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