ST3M557-6-6 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M557-6-6: 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 UNDERCUT, grip_length: 0.375 INCHES NOMINAL IN, head_height: 0.081 INCHES NOMINAL IN, point_style: FLAT, point_length: 0.052 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-589-0674, 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

ST3M557-6-6

NSN: 5305-01-589-0674
NIINs: 015890674, 015910368
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
head_style	FLAT COUNTERSUNK UNDERCUT
grip_length	0.375 INCHES NOMINAL IN
head_height	0.081 INCHES NOMINAL IN
point_style	FLAT
point_length	0.052 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.374 INCHES NOMINAL IN
head_diameter	0.564 INCHES NOMINAL IN
thread_length	0.626 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
fastener_length	0.641 INCHES NOMINAL IN
special_features	NON-BEARING HEAD SURFACE COATED W/LIGHT BLUE KYKEM, COLOR NUMBER 15526 PER FED-STD-595
NSN	5305-01-589-0674

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.081 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.641 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2700 METHOD 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.626 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5662 ASSN STD ALL MATERIAL RESPONSES OVERALL

•

NOMINAL THREAD DIAMETER: 0.373 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK UNDERCUT

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.081 INCHES NOMINAL IN
FASTENER LENGTH	0.641 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2700 METHOD 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.626 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5662 ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER	0.373 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK UNDERCUT
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.375 INCHES NOMINAL IN
GRIP DIAMETER	0.374 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 1

W04027-6-6Same 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 ST3M557-6-6?

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 ST3M557-6-6?

ST3M557-6-6 is a SCREW,CLOSE TOLERANCE.

What parts can replace ST3M557-6-6?

There is 1 known substitute for ST3M557-6-6: W04027-6-6. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M557-6-6?

ST3M557-6-6 is cataloged in the U.S. Government catalog under NSN 5305-01-589-0674. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

ST3M557-6-6 — SCREW,CLOSE TOLERANCE

Request a Quote — ST3M557-6-6