438-6726443-16A — THUMBSCREW

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

438-6726443-16A: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, head_style: KNURLED NO. 1, thread_class: 2A A, thread_length: 1.600 INCHES MAXIMUM IN, fastener_length: 1.600 INCHES NOMINAL IN, thread_direction: RIGHT-HAND.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-398-0772, 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

438-6726443-16A

NSN: 5305-01-398-0772
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL COMP 304 OVERALL
head_style	KNURLED NO. 1
thread_class	2A A
thread_length	1.600 INCHES MAXIMUM IN
fastener_length	1.600 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	ENAMEL SEMIGLOSS OVERALL
nominal_thread_diameter	0.250 INCHES IN
thread_quantity_per_inch	20
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-01-398-0772

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.600 INCHES NOMINAL IN

•

THREAD LENGTH: 1.600 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: KNURLED NO. 1

•

THREAD DIRECTION: RIGHT-HAND

•

COLOR: GRAY/GREY OVERALL

•

SURFACE TREATMENT: ENAMEL SEMIGLOSS OVERALL

•

THREAD CLASS: 2A A

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.600 INCHES NOMINAL IN
THREAD LENGTH	1.600 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	KNURLED NO. 1
THREAD DIRECTION	RIGHT-HAND
COLOR	GRAY/GREY OVERALL
SURFACE TREATMENT	ENAMEL SEMIGLOSS OVERALL
THREAD CLASS	2A A
THREAD QUANTITY PER INCH	20
MATERIAL	STEEL COMP 304 OVERALL

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 5

438-6404476-34Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

6404394 FIND 2Reference document

Same NSN cross-reference

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

438-6404469-36Reference document

Same NSN cross-reference

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

6404450 FIND 18Reference document

Same NSN cross-reference

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

438-6404478-8Reference document

Same NSN cross-reference

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

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 438-6726443-16A?

438-6726443-16A is a THUMBSCREW.

What parts can replace 438-6726443-16A?

There are 5 known substitutes for 438-6726443-16A: 438-6404476-34, 6404394 FIND 2, 438-6404469-36 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 438-6726443-16A?

438-6726443-16A is cataloged in the U.S. Government catalog under NSN 5305-01-398-0772. This indicates validated use in U.S. government and defense supply chains.

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