538844 — PIN,GROOVED,HEADLESS

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

538844: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.6600 INCHES MINIMUM AND 0.6624 INCHES MAXIMUM IN, material: STEEL COMP 4140 OVERALL, overall_length: 1.989 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES OUTSIDE DIAMETER, undercut_width: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-696-2894, 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

538844

NSN: 5315-00-696-2894
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)

SPECIFICATIONS

diameter	0.6600 INCHES MINIMUM AND 0.6624 INCHES MAXIMUM IN
material	STEEL COMP 4140 OVERALL
overall_length	1.989 INCHES NOMINAL IN
surface_finish	63.0 MICROINCHES OUTSIDE DIAMETER
undercut_width	0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
first_end_style	SQUARE
effective_length	1.909 INCHES MINIMUM AND 1.919 INCHES MAXIMUM IN
style_designator	GROOVE
surface_treatment	CADMIUM AND CHROMIUM OVERALL
undercut_diameter	0.635 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
first_end_location	BOTH ENDS
second_undercut_width	0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
NSN	5315-00-696-2894

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER

•

UNDERCUT WIDTH: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN

•

UNDERCUT DIAMETER: 0.635 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN

•

FIRST END LOCATION: BOTH ENDS

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1 FED SPEC 1ST TREATMENT RESPONSE AND MIL-P-6871,TYPE 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL

•

FIRST END STYLE: SQUARE

•

STYLE DESIGNATOR: GROOVE

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER
UNDERCUT WIDTH	0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
UNDERCUT DIAMETER	0.635 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
FIRST END LOCATION	BOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 1 FED SPEC 1ST TREATMENT RESPONSE AND MIL-P-6871,TYPE 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
FIRST END STYLE	SQUARE
STYLE DESIGNATOR	GROOVE
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER	0.6600 INCHES MINIMUM AND 0.6624 INCHES MAXIMUM IN
OVERALL LENGTH	1.989 INCHES NOMINAL 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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 538844?

538844 is a PIN,GROOVED,HEADLESS.

What is the NSN for 538844?

538844 is cataloged in the U.S. Government catalog under NSN 5315-00-696-2894. This indicates validated use in U.S. government and defense supply chains.

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538844 — PIN,GROOVED,HEADLESS

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