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25D-16 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

25D-16: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8735 OR STEEL OR STEEL COMP 8740, thread_length: 0.702 INCHES MINIMUM AND 0.738 INCHES MAXIMUM NUT THREAD IN, overall_length: 2.000 INCHES NOMINAL IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND STUD THREAD, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-407-2175, 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
25D-16
NSN: 5307-00-407-2175
FSC: 5307 — Studs
CAGE: 80254 — TEXTRON LYCOMING INC WILLIAMSPORT PLANT (USA)
SPECIFICATIONS
materialSTEEL COMP 8735 OR STEEL OR STEEL COMP 8740
thread_length0.702 INCHES MINIMUM AND 0.738 INCHES MAXIMUM NUT THREAD IN
overall_length2.000 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.250 INCHES STUD THREAD IN
thread_pitch_diameters+0.2208 TO 0.2221 INCHES STUD THREAD IN
cotter_pin_hole_diameter0.074 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN
thread_quantity_per_inch28 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationAMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE
NSN5307-00-407-2175
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 25D-16 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
COTTER PIN HOLE DIAMETER: 0.074 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN
•
THREAD LENGTH: 0.755 INCHES MINIMUM AND 0.805 INCHES MAXIMUM STUD THREAD IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
•
THREAD PITCH DIAMETERS: +0.2208 TO 0.2221 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
COTTER PIN HOLE DIAMETER0.074 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN
THREAD LENGTH0.755 INCHES MINIMUM AND 0.805 INCHES MAXIMUM STUD THREAD IN
THREAD LENGTH0.702 INCHES MINIMUM AND 0.738 INCHES MAXIMUM NUT THREAD IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
THREAD PITCH DIAMETERS+0.2208 TO 0.2221 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE
OVERALL LENGTH2.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 25D-16?
25D-16 is a STUD,PLAIN.
What is the NSN for 25D-16?
25D-16 is cataloged in the U.S. Government catalog under NSN 5307-00-407-2175. This indicates validated use in U.S. government and defense supply chains.
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