343AS253-1 — PIN,SHOULDER,HEADED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

343AS253-1: PIN,SHOULDER,HEADED.

The PIN,SHOULDER,HEADED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, head_style: THUMB NO. 3, first_end_style: CHAMFERED, style_designator: SHOULDER, first_step_length: 0.650 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 5315-01-303-8189, 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

343AS253-1

NSN: 5315-01-303-8189
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL COMP 4130 OVERALL
head_style	THUMB NO. 3
first_end_style	CHAMFERED
special_features	SYMMETRICAL FLATS 0.760 INCH NOMINAL WIDE ON SHOULDER PLACES; GROOVE 0.750 INCH NOMINAL DIAMETER 0.220 INCH NOMINAL LONG ADJOINING HEAD IN
style_designator	SHOULDER
first_step_length	0.650 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
surface_treatment	CADMIUM AND CHROMATE OVERALL
under_head_length	1.840 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
second_step_length	1.190 INCHES NOMINAL IN
first_hole_diameter	0.368 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN
second_step_diameter	0.450 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN
first_end_taper_angle	45.0 DEGREES NOMINAL
NSN	5315-01-303-8189

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST END TAPER LENGTH: 0.100 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

HOLE ARRANGEMENT STYLE: DRILLED THRU HEAD

•

UNDER HEAD LENGTH: 1.840 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN

•

FIRST END STYLE: CHAMFERED

•

FIRST HOLE DIAMETER: 0.368 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN

•

SECOND STEP LENGTH: 1.190 INCHES NOMINAL IN

•

STYLE DESIGNATOR: SHOULDER

TECHNICAL CHARACTERISTICS

FIRST END TAPER LENGTH	0.100 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE ARRANGEMENT STYLE	DRILLED THRU HEAD
UNDER HEAD LENGTH	1.840 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
FIRST END STYLE	CHAMFERED
FIRST HOLE DIAMETER	0.368 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN
SECOND STEP LENGTH	1.190 INCHES NOMINAL IN
STYLE DESIGNATOR	SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE	45.0 DEGREES NOMINAL

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

No substitute or cross-reference records for this part.

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 343AS253-1?

343AS253-1 is a PIN,SHOULDER,HEADED.

What is the NSN for 343AS253-1?

343AS253-1 is cataloged in the U.S. Government catalog under NSN 5315-01-303-8189. This indicates validated use in U.S. government and defense supply chains.

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343AS253-1 — PIN,SHOULDER,HEADED

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