TX1027C4-20A — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

TX1027C4-20A: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, point_style: FLAT, thread_class: 3A A, grip_diameter: 0.249 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-512-8293, 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

TX1027C4-20A

NSN: 5305-01-512-8293
FSC: 5305 — Screws
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
point_style	FLAT
thread_class	3A A
grip_diameter	0.249 INCHES NOMINAL IN
head_diameter	0.385 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN
thread_length	0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
point_diameter	0.425 INCHES NOMINAL IN
fastener_length	1.660 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
special_features	125 KSI SHEAR STRENGTH
thread_direction	RIGHT-HAND
NSN	5305-01-512-8293

COMPONENT DIAGRAM

KEY FEATURES

•

POINT DIAMETER: 0.425 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.660 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

SPLINE MAJOR DIAMETER: 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

POINT DIAMETER	0.425 INCHES NOMINAL IN
FASTENER LENGTH	1.660 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
THREAD LENGTH	0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPLINE MAJOR DIAMETER	0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
POINT STYLE	FLAT
GRIP LENGTH	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN

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 3

3M1170C4-20ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

11825C4-20ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

WC1170C4-20ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 TX1027C4-20A?

TX1027C4-20A is a SCREW,CLOSE TOLERANCE.

What parts can replace TX1027C4-20A?

There are 3 known substitutes for TX1027C4-20A: 3M1170C4-20A, 11825C4-20A, WC1170C4-20A. Substitute compatibility should be verified for your specific system.

What is the NSN for TX1027C4-20A?

TX1027C4-20A is cataloged in the U.S. Government catalog under NSN 5305-01-512-8293. This indicates validated use in U.S. government and defense supply chains.

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