SW28381 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

SW28381: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140H OVERALL, surface_finish: 32.0 MICROINCHES OUTSIDE DIAMETER, first_end_style: CHAMFERED, hardness_rating: 58.0 ROCKWELL C NOMINAL OVERALL, second_end_style: SQUARE, pin_overall_length: 6.939 INCHES MINIMUM AND 6.969 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-325-6981, 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

SW28381

NSN: 5315-01-325-6981
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 98255 — DRS SUSTAINMENT SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL COMP 4140H OVERALL
surface_finish	32.0 MICROINCHES OUTSIDE DIAMETER
first_end_style	CHAMFERED
hardness_rating	58.0 ROCKWELL C NOMINAL OVERALL
second_end_style	SQUARE
special_features	0.339 IN. HOLE 3.300 IN. DEEP 0.125 NPT BY 0.380 IN. DEEP LONGITUDINAL LOCATED ON PIN AXIAL INTERSECTED BY 0.250 IN. THRU HOLE PERPENDICULAR DRILLED IN
pin_overall_length	6.939 INCHES MINIMUM AND 6.969 INCHES MAXIMUM IN
first_hole_diameter	0.406 INCHES NOMINAL IN
pin_overall_diameter	1.9937 INCHES MINIMUM AND 1.9940 INCHES MAXIMUM IN
first_end_taper_angle	45.0 DEGREES NOMINAL
first_end_taper_length	0.190 INCHES NOMINAL IN
hole_arrangement_style	ONE END DRILLED
NSN	5315-01-325-6981

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES OUTSIDE DIAMETER

•

FIRST END TAPER LENGTH: 0.190 INCHES NOMINAL IN

•

HOLE ARRANGEMENT STYLE: ONE END DRILLED

•

FIRST END STYLE: CHAMFERED

•

FIRST HOLE DIAMETER: 0.406 INCHES NOMINAL IN

•

HARDNESS RATING: 58.0 ROCKWELL C NOMINAL OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES OUTSIDE DIAMETER
FIRST END TAPER LENGTH	0.190 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLE	ONE END DRILLED
FIRST END STYLE	CHAMFERED
FIRST HOLE DIAMETER	0.406 INCHES NOMINAL IN
HARDNESS RATING	58.0 ROCKWELL C NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE	45.0 DEGREES NOMINAL
PIN OVERALL DIAMETER	1.9937 INCHES MINIMUM AND 1.9940 INCHES MAXIMUM IN
PIN OVERALL LENGTH	6.939 INCHES MINIMUM AND 6.969 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

SW28181-DReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SW28381?

SW28381 is a PIN,STRAIGHT,HEADLESS.

What parts can replace SW28381?

There is 1 known substitute for SW28381: SW28181-D. Substitute compatibility should be verified for your specific system.

What is the NSN for SW28381?

SW28381 is cataloged in the U.S. Government catalog under NSN 5315-01-325-6981. This indicates validated use in U.S. government and defense supply chains.

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SW28381 — PIN,STRAIGHT,HEADLESS

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