31S187-0687 — PIN,SPRING

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

31S187-0687: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.188 INCHES NOMINAL IN, material: STEEL COMP 410 OVERALL, overall_length: 0.688 INCHES NOMINAL IN, hardness_rating: 82.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL, style_designator: SLOTTED, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-721-8366, 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

31S187-0687

NSN: 5315-00-721-8366
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: U1811 — UNBRAKO (A DIVISION OF S P S TECHNOLOGIES LTD) (GBR)

SPECIFICATIONS

diameter	0.188 INCHES NOMINAL IN
material	STEEL COMP 410 OVERALL
overall_length	0.688 INCHES NOMINAL IN
hardness_rating	82.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
style_designator	SLOTTED
surface_treatment	PASSIVATE OVERALL
material_thickness	0.040 INCHES NOMINAL IN
material_document_and_classification	AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5315-00-721-8366

COMPONENT DIAGRAM

KEY FEATURES

•

HARDNESS RATING: 82.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL

•

STYLE DESIGNATOR: SLOTTED

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

DIAMETER: 0.188 INCHES NOMINAL IN

•

MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

•

MATERIAL: STEEL COMP 410 OVERALL

TECHNICAL CHARACTERISTICS

HARDNESS RATING	82.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
STYLE DESIGNATOR	SLOTTED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER	0.188 INCHES NOMINAL IN
OVERALL LENGTH	0.688 INCHES NOMINAL IN
MATERIAL THICKNESS	0.040 INCHES NOMINAL IN
SURFACE TREATMENT	PASSIVATE OVERALL
MATERIAL	STEEL COMP 410 OVERALL

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 3

PS187-0687CRSF040Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

MS171589Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

0740683Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 31S187-0687?

31S187-0687 is a PIN,SPRING.

What parts can replace 31S187-0687?

There are 3 known substitutes for 31S187-0687: PS187-0687CRSF040, MS171589, 0740683. Substitute compatibility should be verified for your specific system.

What is the NSN for 31S187-0687?

31S187-0687 is cataloged in the U.S. Government catalog under NSN 5315-00-721-8366. This indicates validated use in U.S. government and defense supply chains.

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