342658 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

342658: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, thread_length: 0.242 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN, screw_material: COPPER ALLOY, fastener_length: 0.641 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-271-2856, 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

342658

NSN: 5305-00-271-2856
NIINs: 002712856, 016074516
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

head_style	FLAT COUNTERSUNK
thread_class	2A A
head_diameter	0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
thread_length	0.242 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN
screw_material	COPPER ALLOY
fastener_length	0.641 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
countersink_angle	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_style	SLOT
nominal_thread_diameter	0.190 INCHES IN
thread_quantity_per_inch	32
thread_series_designator	UNF
NSN	5305-00-271-2856

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.641 INCHES NOMINAL IN

•

THREAD LENGTH: 0.242 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

SCREW MATERIAL: COPPER ALLOY

•

INTERNAL DRIVE STYLE: SLOT

•

COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.641 INCHES NOMINAL IN
THREAD LENGTH	0.242 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	COPPER ALLOY
INTERNAL DRIVE STYLE	SLOT
COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
THREAD CLASS	2A A
THREAD QUANTITY PER INCH	32

SUBSTITUTES & CROSS-REFERENCES 3

FF-S-92BReference document

Same NSN cross-reference

Reference document — Identification reference

298672PC5Reference document

Same NSN cross-reference

Reference document — Secondary reference

323914PC4Reference document

Same NSN cross-reference

Reference document — Secondary 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 342658?

342658 is a SCREW,MACHINE.

What parts can replace 342658?

There are 3 known substitutes for 342658: FF-S-92B, 298672PC5, 323914PC4. Substitute compatibility should be verified for your specific system.

What is the NSN for 342658?

342658 is cataloged in the U.S. Government catalog under NSN 5305-00-271-2856. This indicates validated use in U.S. government and defense supply chains.

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342658 — SCREW,MACHINE

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