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PartsTable / COMPONENT / M1927B
M1927B ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN, material: STEEL COMP 1095 OVERALL, overall_length: 1.105 INCHES MINIMUM AND 1.145 INCHES MAXIMUM IN, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SLOTTED, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-281-7230, 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
M1927B
NSN: 5315-00-281-7230
FSC: 5315
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
diameter0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
materialSTEEL COMP 1095 OVERALL
overall_length1.105 INCHES MINIMUM AND 1.145 INCHES MAXIMUM IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
surface_treatmentCADMIUM OVERALL
material_thickness0.032 INCHES NOMINAL IN
nondefinitive_spec/std_data1 TYPE AND 1 CLASS AND A CONDITION
material_document_and_classificationMIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-281-7230
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M1927B · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
DIAMETER: 0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL: STEEL COMP 1095 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
OVERALL LENGTH1.105 INCHES MINIMUM AND 1.145 INCHES MAXIMUM IN
DIAMETER0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
STYLE DESIGNATORSLOTTED
MATERIALSTEEL COMP 1095 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
30670Interchangeable
interchangeable cross-reference
interchangeable
M1927BInterchangeable
interchangeable cross-reference
interchangeable
MILP10971TYPE1C0MP0SITI0NAInterchangeable
interchangeable cross-reference
interchangeable
23-S-156-1125Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-180Interchangeable
interchangeable cross-reference
interchangeable
202R-687Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1927B?
M1927B is a PIN,SPRING.
What parts can replace M1927B?
There are 10 known substitutes for M1927B: 30670, M1927B, MILP10971TYPE1C0MP0SITI0NA and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M1927B?
M1927B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-281-7230. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026