55A44B20-3 — PIN,GROOVED,HEADED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

55A44B20-3: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.060 INCHES NOMINAL IN, diameter: 0.499 INCHES NOMINAL IN, material: STEEL COMP 431 OVERALL, head_style: FLAT, undercut_width: 0.039 INCHES NOMINAL IN, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-012-4501, 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

55A44B20-3

NSN: 5315-00-012-4501
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

height	0.060 INCHES NOMINAL IN
diameter	0.499 INCHES NOMINAL IN
material	STEEL COMP 431 OVERALL
head_style	FLAT
undercut_width	0.039 INCHES NOMINAL IN
first_end_style	SQUARE
effective_length	1.330 INCHES NOMINAL IN
style_designator	GROOVE
pin_head_diameter	0.625 INCHES NOMINAL IN
surface_treatment	PASSIVATE OVERALL
under_head_length	1.440 INCHES NOMINAL IN
undercut_diameter	0.468 INCHES NOMINAL IN
NSN	5315-00-012-4501

COMPONENT DIAGRAM

KEY FEATURES

•

UNDERCUT WIDTH: 0.039 INCHES NOMINAL IN

•

UNDERCUT DIAMETER: 0.468 INCHES NOMINAL IN

•

UNDER HEAD LENGTH: 1.440 INCHES NOMINAL IN

•

FIRST END STYLE: SQUARE

•

STYLE DESIGNATOR: GROOVE

•

PIN HEAD DIAMETER: 0.625 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

DIAMETER: 0.499 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

UNDERCUT WIDTH	0.039 INCHES NOMINAL IN
UNDERCUT DIAMETER	0.468 INCHES NOMINAL IN
UNDER HEAD LENGTH	1.440 INCHES NOMINAL IN
FIRST END STYLE	SQUARE
STYLE DESIGNATOR	GROOVE
PIN HEAD DIAMETER	0.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER	0.499 INCHES NOMINAL IN
EFFECTIVE LENGTH	1.330 INCHES NOMINAL IN
HEAD STYLE	FLAT

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

67A79B20Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 55A44B20-3?

55A44B20-3 is a PIN,GROOVED,HEADED.

What parts can replace 55A44B20-3?

There is 1 known substitute for 55A44B20-3: 67A79B20. Substitute compatibility should be verified for your specific system.

What is the NSN for 55A44B20-3?

55A44B20-3 is cataloged in the U.S. Government catalog under NSN 5315-00-012-4501. This indicates validated use in U.S. government and defense supply chains.

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