3878004-1 — PIN,SHOULDER,HEADLESS

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

3878004-1: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, thread_class: 2A A, thread_length: 0.686 INCHES NOMINAL IN, first_end_style: CHAMFERED, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL, second_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-292-7249, 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

3878004-1

NSN: 5315-00-292-7249
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 33068 — TRIUMPH ACTUATION SYSTEMS - CONNECTICUT, LLC (USA)

SPECIFICATIONS

material	STEEL COMP 410 OVERALL
thread_class	2A A
thread_length	0.686 INCHES NOMINAL IN
first_end_style	CHAMFERED
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
second_end_style	CHAMFERED
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
first_end_location	THREADED END
nominal_thread_size	0.190 INCHES IN
internal_drive_style	DOUBLE HEXAGON
first_end_taper_angle	45.0 DEGREES NOMINAL
NSN	5315-00-292-7249

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST END TAPER LENGTH: 0.030 INCHES NOMINAL IN

•

FIRST END LOCATION: THREADED END

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SECOND END TAPER ANGLE: 30.0 DEGREES NOMINAL

•

THREAD LENGTH: 0.686 INCHES NOMINAL IN

•

FIRST END STYLE: CHAMFERED

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5612 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

FIRST END TAPER LENGTH	0.030 INCHES NOMINAL IN
FIRST END LOCATION	THREADED END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SECOND END TAPER ANGLE	30.0 DEGREES NOMINAL
THREAD LENGTH	0.686 INCHES NOMINAL IN
FIRST END STYLE	CHAMFERED
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5612 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SECOND END TAPER LENGTH	0.040 INCHES NOMINAL IN
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3878004-1?

3878004-1 is a PIN,SHOULDER,HEADLESS.

What is the NSN for 3878004-1?

3878004-1 is cataloged in the U.S. Government catalog under NSN 5315-00-292-7249. This indicates validated use in U.S. government and defense supply chains.

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3878004-1 — PIN,SHOULDER,HEADLESS

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