143C661H01 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

143C661H01: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN, thread_length: 0.625 INCHES NOMINAL IN, screw_material: PLASTIC.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-077-9720, 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

143C661H01

NSN: 5305-01-077-9720
FSC: 5305 — Screws
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)

SPECIFICATIONS

head_style	PAN NO. 2
head_height	0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
thread_length	0.625 INCHES NOMINAL IN
screw_material	PLASTIC
fastener_length	0.625 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
internal_drive_style	SLOT
nominal_thread_diameter	0.138 INCHES IN
thread_quantity_per_inch	32
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-01-077-9720

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.625 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: 731 NORYL,FSCM 26365 MFR REF SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.625 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.138 INCHES IN

•

HEAD STYLE: PAN NO. 2

•

THREAD DIRECTION: RIGHT-HAND

•

SCREW MATERIAL: PLASTIC

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
FASTENER LENGTH	0.625 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	731 NORYL,FSCM 26365 MFR REF SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.625 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.138 INCHES IN
HEAD STYLE	PAN NO. 2
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	PLASTIC
INTERNAL DRIVE STYLE	SLOT
THREAD CLASS	2A A

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 1

911515-0018Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 143C661H01?

143C661H01 is a SCREW,MACHINE.

What parts can replace 143C661H01?

There is 1 known substitute for 143C661H01: 911515-0018. Substitute compatibility should be verified for your specific system.

What is the NSN for 143C661H01?

143C661H01 is cataloged in the U.S. Government catalog under NSN 5305-01-077-9720. This indicates validated use in U.S. government and defense supply chains.

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