52B1144-1 — PIN,GROOVED,HEADED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

52B1144-1: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.375 INCHES NOMINAL IN, diameter: 0.870 INCHES NOMINAL IN, material: STEEL COMP 4340 OR STEEL COMP 4140 OVERALL, head_style: ROUND W/WRENCH FLATS, surface_finish: 125.0 MICROINCHES UNDERCUT, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-798-2563, 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

52B1144-1

NSN: 5315-00-798-2563
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 21439 — CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA (USA)

SPECIFICATIONS

height	0.375 INCHES NOMINAL IN
diameter	0.870 INCHES NOMINAL IN
material	STEEL COMP 4340 OR STEEL COMP 4140 OVERALL
head_style	ROUND W/WRENCH FLATS
surface_finish	125.0 MICROINCHES UNDERCUT
first_end_style	CHAMFERED
hardness_rating	41.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
effective_length	2.250 INCHES NOMINAL IN
special_features	O/A LG 3.25 IN.; SURFACE TEXTURE PER ANSIB46.1; HEAT TREAT TO 190,000 TO 200,000 PSI PER MIL-H-6875; U/O P/NS 62D35561 AND 7545535 IN
style_designator	GROOVE
pin_head_diameter	1.750 INCHES NOMINAL IN
surface_treatment	CADMIUM OVERALL
NSN	5315-00-798-2563

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 125.0 MICROINCHES HEAD OUTSIDE DIAMETER

•

WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN

•

UNDERCUT DIAMETER: 0.063 INCHES NOMINAL IN

•

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

•

UNDER HEAD LENGTH: 2.875 INCHES NOMINAL IN

•

FIRST END STYLE: CHAMFERED

TECHNICAL CHARACTERISTICS

SURFACE FINISH	125.0 MICROINCHES HEAD OUTSIDE DIAMETER
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER
SURFACE FINISH	125.0 MICROINCHES UNDERCUT
WIDTH ACROSS FLATS	1.500 INCHES NOMINAL IN
UNDERCUT DIAMETER	0.063 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
UNDER HEAD LENGTH	2.875 INCHES NOMINAL IN
FIRST END STYLE	CHAMFERED
HARDNESS RATING	41.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	GROOVE

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

7545534-03Reference 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 52B1144-1?

52B1144-1 is a PIN,GROOVED,HEADED.

What parts can replace 52B1144-1?

There is 1 known substitute for 52B1144-1: 7545534-03. Substitute compatibility should be verified for your specific system.

What is the NSN for 52B1144-1?

52B1144-1 is cataloged in the U.S. Government catalog under NSN 5315-00-798-2563. This indicates validated use in U.S. government and defense supply chains.

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52B1144-1 — PIN,GROOVED,HEADED

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