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Technical Data Sheet
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2122704-4 — Technical Data Sheet

✓ 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 SPACER,SLEEVE is a the manufacturer industrial component. Key specifications include corner_shape: SQUARE ALL CORNERS, special_features: CUT THRU 0.010 IN. MIN 0.031 IN.

MAX IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 5315-00-923-5399, 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
2122704-4
NSN: 5315-00-923-5399
FSC: 5315
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
corner_shapeSQUARE ALL CORNERS
special_featuresCUT THRU 0.010 IN. MIN 0.031 IN. MAX IN
NSN5315-00-923-5399
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2122704-4 · 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
•
UNDERCUT DIAMETER: 0.284 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 4130H OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE FINISH: 32.0 MICROINCHES OUTSIDE DIAMETER
•
STYLE DESIGNATOR: GROOVE
•
FIRST END LOCATION: BOTH ENDS
TECHNICAL CHARACTERISTICS
UNDERCUT DIAMETER0.284 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130H OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER
STYLE DESIGNATORGROOVE
SPECIAL FEATURESTHRU HOLE THD ON GROOVED END 8-32 UNC 2B 0.345 IN. MIN 0.405 IN. MAX LG,WITH RETAINING RING IN
FIRST END LOCATIONBOTH ENDS
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2122700-72InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2122702-72InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5365PL0893238InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
16300InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
HACH 44600-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
16300-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2122704-4?
2122704-4 is a SPACER,SLEEVE.
What parts can replace 2122704-4?
There are 11 known substitutes for 2122704-4: 2122700-72, 2122702-72, 5365PL0893238 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2122704-4?
2122704-4 is cataloged in the Federal Logistics Information System under NSN 5315-00-923-5399. 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: October 2026