MD31623-54 — PIN,SHOULDER,HEADLESS

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

MD31623-54: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, shank_length: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN, overall_length: 1.685 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN, shank_diameter: 0.5555 INCHES MINIMUM AND 0.5570 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES SHOULDER OUTSIDE DIAMETER, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-191-3399, 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

MD31623-54

NSN: 5315-01-191-3399
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: K0349 — M L AVIATION LTD (INCORPORATING M L WALLOP DEFENCE SYSTEMS LTD) (GBR)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
shank_length	0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
overall_length	1.685 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN
shank_diameter	0.5555 INCHES MINIMUM AND 0.5570 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES SHOULDER OUTSIDE DIAMETER
first_end_style	SQUARE
hardness_rating	43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM OVERALL
style_designator	SHOULDER
shoulder_diameter	0.7017 INCHES MINIMUM AND 0.7027 INCHES MAXIMUM IN
surface_treatment	CHROMIUM OVERALL
first_end_location	BOTH ENDS
second_shank_length	0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
NSN	5315-01-191-3399

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.5555 INCHES MINIMUM AND 0.5570 INCHES MAXIMUM IN

•

SECOND SHANK DIAMETER: 0.5555 INCHES MINIMUM AND 0.5570 INCHES MAXIMUM IN

•

SURFACE FINISH: 32.0 MICROINCHES SHOULDER OUTSIDE DIAMETER

•

FIRST END LOCATION: BOTH ENDS

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: PS 13102,CLASS A,FSCM K0349 MFR REF SINGLE TREATMENT RESPONSE OVERALL

•

FIRST END STYLE: SQUARE

•

HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM OVERALL

•

SHANK LENGTH: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.5555 INCHES MINIMUM AND 0.5570 INCHES MAXIMUM IN
SECOND SHANK DIAMETER	0.5555 INCHES MINIMUM AND 0.5570 INCHES MAXIMUM IN
SURFACE FINISH	32.0 MICROINCHES SHOULDER OUTSIDE DIAMETER
FIRST END LOCATION	BOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	PS 13102,CLASS A,FSCM K0349 MFR REF SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLE	SQUARE
HARDNESS RATING	43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM OVERALL
SHANK LENGTH	0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
STYLE DESIGNATOR	SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE 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

No substitute or cross-reference records for this part.

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 MD31623-54?

MD31623-54 is a PIN,SHOULDER,HEADLESS.

What is the NSN for MD31623-54?

MD31623-54 is cataloged in the U.S. Government catalog under NSN 5315-01-191-3399. This indicates validated use in U.S. government and defense supply chains.

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MD31623-54 — PIN,SHOULDER,HEADLESS

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