MS51966-54 — SETSCREW

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MS51966-54: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL, head_style: HEADLESS (SETSCREW), point_style: FLAT, thread_class: 3A A, thread_length: 0.738 INCHES MAXIMUM IN, fastener_length: 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-724-6791, 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

MS51966-54

NSN: 5305-00-724-6791
NIINs: 007246791, 010590195
FSC: 5305 — Screws
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)

SPECIFICATIONS

material	STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
head_style	HEADLESS (SETSCREW)
point_style	FLAT
thread_class	3A A
thread_length	0.738 INCHES MAXIMUM IN
fastener_length	0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
hardness_rating	45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
special_features	ONE HOLE THRU SOCKET DRIVE 0.038 IN. MIN DIA TO 0.043 IN. MAX DIA,0.040 IN. MIN TO 0.060 IN. MAX FROM LARGEST BEARING SURFACE OF HEAD TO CENTER OF HOLE IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
width_across_flats	0.094 INCHES NOMINAL IN
internal_drive_style	HEXAGON
NSN	5305-00-724-6791

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.094 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.750 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.750 INCHES MAXIMUM IN

•

HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: HEADLESS (SETSCREW)

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.094 INCHES NOMINAL IN
FASTENER LENGTH	0.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.750 INCHES MAXIMUM IN
HARDNESS RATING	45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	HEADLESS (SETSCREW)
THREAD DIRECTION	RIGHT-HAND
POINT STYLE	CUP

SUBSTITUTES & CROSS-REFERENCES 3

5305007246791Reference document

Same NSN cross-reference

Reference document — Secondary reference

5305PL0144660Reference document

Same NSN cross-reference

Reference document — Informative reference only

MS51964-55Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MS51966-54?

MS51966-54 is a SETSCREW.

What parts can replace MS51966-54?

There are 3 known substitutes for MS51966-54: 5305007246791, 5305PL0144660, MS51964-55. Substitute compatibility should be verified for your specific system.

What is the NSN for MS51966-54?

MS51966-54 is cataloged in the U.S. Government catalog under NSN 5305-00-724-6791. This indicates validated use in U.S. government and defense supply chains.

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