DS-20-101D — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

DS-20-101D: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.375 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.562 INCHES NOMINAL IN, thread_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-577-4040, 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

DS-20-101D

NSN: 5305-01-577-4040
FSC: 5305 — Screws
CAGE: 04241 — FLUOR MARINE PROPULSION, LLC DBA KNOLLS ATOMIC POWER LABORATORY (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	FLAT CHAMFER
head_height	0.375 INCHES NOMINAL IN
thread_class	3A A
head_diameter	0.562 INCHES NOMINAL IN
thread_length	1.000 INCHES NOMINAL IN
fastener_length	1.000 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	ZINC OVERALL
width_across_flats	0.312 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.375 INCHES IN
NSN	5305-01-577-4040

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.375 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.000 INCHES NOMINAL IN

•

THREAD LENGTH: 1.000 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

•

HEAD STYLE: FLAT CHAMFER

•

THREAD DIRECTION: RIGHT-HAND

•

SURFACE TREATMENT: ZINC OVERALL

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.312 INCHES NOMINAL IN
HEAD HEIGHT	0.375 INCHES NOMINAL IN
FASTENER LENGTH	1.000 INCHES NOMINAL IN
THREAD LENGTH	1.000 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.375 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND
SURFACE TREATMENT	ZINC OVERALL
INTERNAL DRIVE STYLE	HEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCY	ZINC PLATED ALLOY STEEL SOCKET HEAD CAP SCREW

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES 2

DS-20-101D-IT45Reference document

Same NSN cross-reference

Reference document — Secondary reference

90128A624Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is DS-20-101D?

DS-20-101D is a SCREW,CAP,SOCKET HEAD.

What parts can replace DS-20-101D?

There are 2 known substitutes for DS-20-101D: DS-20-101D-IT45, 90128A624. Substitute compatibility should be verified for your specific system.

What is the NSN for DS-20-101D?

DS-20-101D is cataloged in the U.S. Government catalog under NSN 5305-01-577-4040. This indicates validated use in U.S. government and defense supply chains.

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