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5306PL1939725 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5306PL1939725: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING HEAD, head_style: CROWNED HEXAGON, grip_length: 2.375 INCHES NOMINAL IN, head_height: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, surface_treatment: PASSIVATE BEARING SURFACE OF HEAD, width_between_flats: 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-559-4862, 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
5306PL1939725
NSN: 5306-01-559-4862
FSC: 5306 — Bolts
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING HEAD
head_styleCROWNED HEXAGON
grip_length2.375 INCHES NOMINAL IN
head_height0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
surface_treatmentPASSIVATE BEARING SURFACE OF HEAD
width_between_flats0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
end_item_identificationUH-60 BLACKHAWK HELICOPTER
minimum_tensile_strength575 POUNDS PER SQUARE INCH LBS
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
part_name_assigned_by_controlling_agencyBOLT,SPECIAL,SELF-RETAINING
NSN5306-01-559-4862
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5306PL1939725 · 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
•
HEAD HEIGHT: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
HEAD STYLE: CROWNED HEXAGON
•
GRIP LENGTH: 2.375 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE BEARING SURFACE OF HEAD
•
MINIMUM TENSILE STRENGTH: 575 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
HEAD STYLECROWNED HEXAGON
GRIP LENGTH2.375 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
SPECIAL FEATURESBOLT BODY: A286 CRES SOLUTION HEAT TREATED AND WORK STRENGTHENED I/A/W WAMS 5853, PAWL: PH 13-8 MO, AMS 5629 OR A-286 CRES PER AMS 5737,SPRING: CRES WIRE PER QQ-W-423,COMP 302 OR 304, PLUG: 300 SERIES CRES PER QQ-S-763 OR MIL-S-7720,GROOVE PIN: 300 SERIES CRES PER QQ-S-763 OR MIL-S-7720
SURFACE TREATMENTPASSIVATE BEARING SURFACE OF HEAD
MINIMUM TENSILE STRENGTH575 POUNDS PER SQUARE INCH LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,SPECIAL,SELF-RETAINING
END ITEM IDENTIFICATIONUH-60 BLACKHAWK HELICOPTER
MATERIALSTEEL CORROSION RESISTING HEAD
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 3
70400-26802-103Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SLB163-103Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS422-103Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5306PL1939725?
5306PL1939725 is a BOLT,CLOSE TOLERANCE.
What parts can replace 5306PL1939725?
There are 3 known substitutes for 5306PL1939725: 70400-26802-103, SLB163-103, AS422-103. Substitute compatibility should be verified for your specific system.
What is the NSN for 5306PL1939725?
5306PL1939725 is cataloged in the U.S. Government catalog under NSN 5306-01-559-4862. 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.