GS551C06-559 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

GS551C06-559: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.223 INCHES NOMINAL IN, thread_length: 0.255 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-628-1658, 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

GS551C06-559

NSN: 5305-01-628-1658
FSC: 5305 — Screws
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP 4037 OR STEEL COMP 8740 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	2A A
head_diameter	0.223 INCHES NOMINAL IN
thread_length	0.255 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.695 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN
hardness_rating	33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL B MAXIMUM OVERALL
shoulder_length	0.480 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
shoulder_diameter	0.141 INCHES MINIMUM AND 0.142 INCHES MAXIMUM FIRST SHOULDER IN
NSN	5305-01-628-1658

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.695 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.480 INCHES NOMINAL FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TY 2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.141 INCHES MINIMUM AND 0.142 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.255 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL B MAXIMUM OVERALL

•

NOMINAL THREAD DIAMETER: 0.138 INCHES IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.695 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN
SHOULDER LENGTH	0.480 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TY 2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.141 INCHES MINIMUM AND 0.142 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.255 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL B MAXIMUM OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

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

PIL551C06-559Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

BM19069-06-559Same 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 GS551C06-559?

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 GS551C06-559?

GS551C06-559 is a SCREW,SHOULDER.

What parts can replace GS551C06-559?

There are 2 known substitutes for GS551C06-559: PIL551C06-559, BM19069-06-559. Substitute compatibility should be verified for your specific system.

What is the NSN for GS551C06-559?

GS551C06-559 is cataloged in the U.S. Government catalog under NSN 5305-01-628-1658. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

GS551C06-559 — SCREW,SHOULDER

Request a Quote — GS551C06-559