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2122701-38 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2122701-38: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.3134 INCHES MINIMUM AND 0.3136 INCHES MAXIMUM IN, material: STEEL COMP 4130H OVERALL, overall_length: 1.125 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES SMALL END, undercut_width: 0.050 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, first_end_style: CHAMFERED W/THRU HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-923-5396, 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
2122701-38
NSN: 5315-00-923-5396
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
diameter0.3134 INCHES MINIMUM AND 0.3136 INCHES MAXIMUM IN
materialSTEEL COMP 4130H OVERALL
overall_length1.125 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES SMALL END
undercut_width0.050 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
first_end_styleCHAMFERED W/THRU HOLE
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
effective_length0.965 INCHES NOMINAL IN
special_featuresTHRU HOLE THD ON GROOVED END 6-32 UNC 2B 0.310 IN. MIN 0.373 IN. MAX LG,WITH RETAINING RING IN
style_designatorGROOVE
surface_treatmentPHOSPHATE OVERALL
undercut_diameter0.227 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
NSN5315-00-923-5396
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2122701-38 · 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
•
SURFACE FINISH: 32.0 MICROINCHES SMALL END
•
UNDERCUT WIDTH: 0.050 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
FIRST END TAPER LENGTH: 0.016 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.227 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: CHAMFERED W/THRU HOLE
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES SMALL END
UNDERCUT WIDTH0.050 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.016 INCHES NOMINAL IN
UNDERCUT DIAMETER0.227 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLECHAMFERED W/THRU HOLE
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORGROOVE
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 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 3
5315PL0865366Reference document
Same NSN cross-reference
Reference document — Informative reference only
PL2122701-38Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2122703-38Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 2122701-38?
2122701-38 is a PIN,GROOVED,HEADLESS.
What parts can replace 2122701-38?
There are 3 known substitutes for 2122701-38: 5315PL0865366, PL2122701-38, 2122703-38. Substitute compatibility should be verified for your specific system.
What is the NSN for 2122701-38?
2122701-38 is cataloged in the U.S. Government catalog under NSN 5315-00-923-5396. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.