HT271A4-11M — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT271A4-11M: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ RING, head_style: FLAT COUNTERSUNK, grip_length: 0.6775 INCHES MINIMUM AND 0.6975 INCHES MAXIMUM IN, head_height: 0.0713 INCHES MINIMUM AND 0.0733 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-720-0300, 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

HT271A4-11M

NSN: 5305-01-720-0300
FSC: 5305 — Screws
CAGE: 73197 — HI-SHEAR CORPORATION (USA)

SPECIFICATIONS

material	RUBBER FLUOROSILICONE CLASS FQ RING
head_style	FLAT COUNTERSUNK
grip_length	0.6775 INCHES MINIMUM AND 0.6975 INCHES MAXIMUM IN
head_height	0.0713 INCHES MINIMUM AND 0.0733 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter	0.5018 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM IN
thread_length	0.469 INCHES NOMINAL IN
fastener_length	1.1405 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
features_provided	DRY FILM LUBRICANT AND CETYL ALCOHOL LUBRICANT
NSN	5305-01-720-0300

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.0713 INCHES MINIMUM AND 0.0733 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.1405 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.469 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: 6AL-4V PER NAS621 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE FASTENER V

•

NOMINAL THREAD DIAMETER: 0.2500 INCHES IN

•

FEATURES PROVIDED: DRY FILM LUBRICANT AND CETYL ALCOHOL LUBRICANT

•

HEAD STYLE: FLAT COUNTERSUNK

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.0713 INCHES MINIMUM AND 0.0733 INCHES MAXIMUM IN
FASTENER LENGTH	1.1405 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
THREAD LENGTH	0.469 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	6AL-4V PER NAS621 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE FASTENER V
MATERIAL DOCUMENT AND CLASSIFICATION	ST3-251 MFR REF SINGLE MATERIAL RESPONSE RING
NOMINAL THREAD DIAMETER	0.2500 INCHES IN
FEATURES PROVIDED	DRY FILM LUBRICANT AND CETYL ALCOHOL LUBRICANT
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	76301-ST3-430 MANUFACTURERS STANDARD

SUBSTITUTES & CROSS-REFERENCES 6

ST3M430V4-11ASMSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HT8137-4-11ASMSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M430Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

110179-4-11ASMSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

BM33024V4-11UMSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

WC8137-4-11AMSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HT271A4-11M?

HT271A4-11M is a SCREW,CLOSE TOLERANCE.

What parts can replace HT271A4-11M?

There are 6 known substitutes for HT271A4-11M: ST3M430V4-11ASM, HT8137-4-11ASM, ST3M430 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for HT271A4-11M?

HT271A4-11M is cataloged in the U.S. Government catalog under NSN 5305-01-720-0300. This indicates validated use in U.S. government and defense supply chains.

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