SP-1556-1 — PIN,SHOULDER,HEADLESS

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

SP-1556-1: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 0.281 INCHES NOMINAL IN, overall_length: 0.968 INCHES NOMINAL IN, shank_diameter: 0.125 INCHES NOMINAL IN, first_end_style: SQUARE, style_designator: SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-477-5440, 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

SP-1556-1

NSN: 5315-00-477-5440
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 08484 — BREEZE-EASTERN LLC (USA)

SPECIFICATIONS

material	STEEL OVERALL
shank_length	0.281 INCHES NOMINAL IN
overall_length	0.968 INCHES NOMINAL IN
shank_diameter	0.125 INCHES NOMINAL IN
first_end_style	SQUARE
style_designator	SHOULDER
shoulder_diameter	0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
surface_treatment	CADMIUM OVERALL
first_end_location	BOTH ENDS
material_document_and_classification	AISI 4130 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_end	IDENTICAL
surface_treatment_document_and_classification	QQ-P-416,TYPE 1,CLASS FED SPEC 1ST TREATMENT RESPONSE OVERALL
NSN	5315-00-477-5440

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.125 INCHES NOMINAL IN

•

FIRST END LOCATION: BOTH ENDS

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS FED SPEC 1ST TREATMENT RESPONSE OVERALL

•

FIRST END STYLE: SQUARE

•

SHANK LENGTH: 0.281 INCHES NOMINAL IN

•

STYLE DESIGNATOR: SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI 4130 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.125 INCHES NOMINAL IN
FIRST END LOCATION	BOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 1,CLASS FED SPEC 1ST TREATMENT RESPONSE OVERALL
FIRST END STYLE	SQUARE
SHANK LENGTH	0.281 INCHES NOMINAL IN
STYLE DESIGNATOR	SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 4130 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH	0.968 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST END	IDENTICAL
SHOULDER DIAMETER	0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN

OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602

SUBSTITUTES & CROSS-REFERENCES 1

0000155601Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SP-1556-1?

SP-1556-1 is a PIN,SHOULDER,HEADLESS.

What parts can replace SP-1556-1?

There is 1 known substitute for SP-1556-1: 0000155601. Substitute compatibility should be verified for your specific system.

What is the NSN for SP-1556-1?

SP-1556-1 is cataloged in the U.S. Government catalog under NSN 5315-00-477-5440. This indicates validated use in U.S. government and defense supply chains.

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