MS51983-4 — NUT,PLAIN,SINGLE BALL SEAT,HEXAG

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

MS51983-4: NUT,PLAIN,SINGLE BALL SEAT,HEXAG.

NUT,PLAIN,SINGLE BALL SEAT,HEXAG. Key specifications include nut_style: SINGLE BALL SEAT, HEXAGON, nut_height: 0.875 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, hardness_rating: 80.5 ROCKWELL N MAXIMUM, ball_seat_radius: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-880-2005, 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

MS51983-4

NSN: 5310-00-880-2005
NIINs: 008802005, 013884204
FSC: 5310 — Nuts and Washers
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	STEEL COMP 4135 OR STEEL COMP 4140 OR STEEL COMP 4427 OR STEEL COMP 5135 OR STEEL COMP 5140 OR STEEL COMP 8637 OR STEEL COMP 8740 OVERALL
nut_style	SINGLE BALL SEAT, HEXAGON
nut_height	0.875 INCHES NOMINAL IN
thread_class	2B
thread_series	UN
hardness_rating	80.5 ROCKWELL N MAXIMUM
ball_seat_radius	0.875 INCHES NOMINAL IN
special_features	VARIABLE PRICING ITEM; UNIT OF ISSUE PACKAGE EQUAL 100 EA; TO ORDER UNIT OF ISSUE EACH, USE NSN 5310008802005
thread_direction	RIGHT-HAND
features_provided	CASEHARDENED
surface_treatment	CADMIUM AND CHROMATE OVERALL
width_across_flats	1.475 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
NSN	5310-00-880-2005

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 9

8989Reference document

Same NSN cross-reference

Reference document — Secondary reference

W-984-RReference document

Same NSN cross-reference

Reference document — Secondary reference

11286Reference document

Same NSN cross-reference

Reference document — Secondary reference

37891Reference document

Same NSN cross-reference

Reference document — Secondary reference

5334Reference document

Same NSN cross-reference

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

83 155 HReference document

Same NSN cross-reference

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

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MS51983-4?

MS51983-4 is a NUT,PLAIN,SINGLE BALL SEAT,HEXAG.

What parts can replace MS51983-4?

There are 9 known substitutes for MS51983-4: 8989, W-984-R, 11286 and 6 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS51983-4?

MS51983-4 is cataloged in the U.S. Government catalog under NSN 5310-00-880-2005. This indicates validated use in U.S. government and defense supply chains.

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MS51983-4 — NUT,PLAIN,SINGLE BALL SEAT,HEXAG

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