HT187-4-11 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT187-4-11: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-445-4027, 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

HT187-4-11

NSN: 5305-00-445-4027
FSC: 5305 — Screws
CAGE: R1120 — SATAIR A/S (DNK)

SPECIFICATIONS

material	STEEL OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter	0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.316 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES THREADS
fastener_length	0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN
special_features	CONICAL SURFACE OF HEAD 32 MICROINCHES
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NSN	5305-00-445-4027

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

FASTENER LENGTH: 0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.316 INCHES NOMINAL IN

•

SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	125.0 MICROINCHES TOP OF HEAD
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	125.0 MICROINCHES OVERALL
FASTENER LENGTH	0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.316 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	NAS 498 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN

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 2

HT8076-4-11Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

69197-4-11Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

Ready to buy HT187-4-11?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is HT187-4-11?

HT187-4-11 is a SCREW,CLOSE TOLERANCE.

What parts can replace HT187-4-11?

There are 2 known substitutes for HT187-4-11: HT8076-4-11, 69197-4-11. Substitute compatibility should be verified for your specific system.

What is the NSN for HT187-4-11?

HT187-4-11 is cataloged in the U.S. Government catalog under NSN 5305-00-445-4027. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

HT187-4-11 — SCREW,CLOSE TOLERANCE

Request a Quote — HT187-4-11