2122700-178 — PIN,GROOVED,HEADLESS

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

2122700-178: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.6251 INCHES MINIMUM AND 0.6253 INCHES MAXIMUM IN, material: STEEL COMP 4130H OVERALL, overall_length: 1.500 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES OUTSIDE DIAMETER, undercut_width: 0.060 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN, first_end_style: CHAMFERED W/THRU HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-125-5218, 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

2122700-178

NSN: 5315-01-125-5218
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

diameter	0.6251 INCHES MINIMUM AND 0.6253 INCHES MAXIMUM IN
material	STEEL COMP 4130H OVERALL
overall_length	1.500 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES OUTSIDE DIAMETER
undercut_width	0.060 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
first_end_style	CHAMFERED W/THRU HOLE
hardness_rating	30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
effective_length	1.260 INCHES NOMINAL IN
style_designator	GROOVE
surface_treatment	PHOSPHATE OVERALL
undercut_diameter	0.395 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN
first_end_location	BOTH ENDS
NSN	5315-01-125-5218

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES OUTSIDE DIAMETER

•

UNDERCUT WIDTH: 0.060 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN

•

FIRST END TAPER LENGTH: 0.016 INCHES NOMINAL IN

•

UNDERCUT DIAMETER: 0.395 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN

•

FIRST END LOCATION: BOTH ENDS

•

FIRST END STYLE: CHAMFERED W/THRU HOLE

•

HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL

•

STYLE DESIGNATOR: GROOVE

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES OUTSIDE DIAMETER
UNDERCUT WIDTH	0.060 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
FIRST END TAPER LENGTH	0.016 INCHES NOMINAL IN
UNDERCUT DIAMETER	0.395 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN
FIRST END LOCATION	BOTH ENDS
FIRST END STYLE	CHAMFERED W/THRU HOLE
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	GROOVE
DIAMETER	0.6251 INCHES MINIMUM AND 0.6253 INCHES MAXIMUM IN
OVERALL LENGTH	1.500 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 1

5315PL0924489Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 2122700-178?

2122700-178 is a PIN,GROOVED,HEADLESS.

What parts can replace 2122700-178?

There is 1 known substitute for 2122700-178: 5315PL0924489. Substitute compatibility should be verified for your specific system.

What is the NSN for 2122700-178?

2122700-178 is cataloged in the U.S. Government catalog under NSN 5315-01-125-5218. This indicates validated use in U.S. government and defense supply chains.

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2122700-178 — PIN,GROOVED,HEADLESS

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