A51B51538-11 — PIN,STRAIGHT,HEADED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

A51B51538-11: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include diameter: 0.5303 INCHES MINIMUM AND 0.5318 INCHES MAXIMUM IN, material: STEEL COMP 4340 OVERALL, head_style: TEE NO. 4, head_length: 1.156 INCHES NOMINAL IN, chamfer_length: 0.060 INCHES NOMINAL IN, surface_finish: 16.0 MICROINCHES OUTSIDE DIAMETER.

This part is cataloged in the U.S. Government catalog under NSN 5315-00-003-5401, 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

A51B51538-11

NSN: 5315-00-003-5401
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

diameter	0.5303 INCHES MINIMUM AND 0.5318 INCHES MAXIMUM IN
material	STEEL COMP 4340 OVERALL
head_style	TEE NO. 4
head_length	1.156 INCHES NOMINAL IN
chamfer_length	0.060 INCHES NOMINAL IN
surface_finish	16.0 MICROINCHES OUTSIDE DIAMETER
special_features	SHOT PEEN MIL-S-13165 EXCEPT END SURFACES OF HEAD
style_designator	STRAIGHT
pin_chamfer_angle	45.0 DEGREES NOMINAL
surface_treatment	CADMIUM AND CHROMATE OR NICKEL OVERALL
under_head_length	2.104 INCHES NOMINAL IN
head_inside_diameter	0.313 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
NSN	5315-00-003-5401

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD INSIDE DIAMETER: 0.313 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN

•

SURFACE FINISH: 16.0 MICROINCHES OUTSIDE DIAMETER

•

CHAMFER LENGTH: 0.060 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY2 CL1 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416 TY2 CL1 FED SPEC 2ND TREATMENT RESPONSE OR A-2404 ASSN STD 3RD TREATMENT RESPONSE OVERALL

•

UNDER HEAD LENGTH: 2.104 INCHES NOMINAL IN

•

TEE BOLT CYLINDRICAL HEAD DIAMETER: 0.625 INCHES NOMINAL IN

•

PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL

•

STYLE DESIGNATOR: STRAIGHT

TECHNICAL CHARACTERISTICS

HEAD INSIDE DIAMETER	0.313 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
SURFACE FINISH	16.0 MICROINCHES OUTSIDE DIAMETER
CHAMFER LENGTH	0.060 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY2 CL1 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416 TY2 CL1 FED SPEC 2ND TREATMENT RESPONSE OR A-2404 ASSN STD 3RD TREATMENT RESPONSE OVERALL
UNDER HEAD LENGTH	2.104 INCHES NOMINAL IN
TEE BOLT CYLINDRICAL HEAD DIAMETER	0.625 INCHES NOMINAL IN
PIN CHAMFER ANGLE	45.0 DEGREES NOMINAL
STYLE DESIGNATOR	STRAIGHT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-8844 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER	0.5303 INCHES MINIMUM AND 0.5318 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.

5315-00-001-5341 5315-00-001-5342 5315-00-003-3357 5315-00-005-0493 5315-00-005-0494 5315-00-006-5178 5315-00-009-0013 5315-00-009-5722

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A51B51538-11?

A51B51538-11 is a PIN,STRAIGHT,HEADED.

What is the NSN for A51B51538-11?

A51B51538-11 is cataloged in the U.S. Government catalog under NSN 5315-00-003-5401. This indicates validated use in U.S. government and defense supply chains.

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