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525340 — 525340

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

525340: 525340.

The 525340 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FILLISTER, head_height: 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, thread_length: 0.335 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-942-2547, 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
MRO→ MRO_GENERAL→ 525340
NSN: 5306-00-942-2547
NIINs: 009422547, 009649267
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFILLISTER
head_height0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
thread_length0.335 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.163 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
fsc_application_dataELECTRICAL,ELECTRONIC PROPERTIES MEASURING AND TEST INSTRUMENTS
NSN5306-00-942-2547
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 525340 · 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 FINISH: 32.0 MICROINCHES THREADS
•
WIDTH ACROSS FLATS: 0.163 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.335 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
WIDTH ACROSS FLATS0.163 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
FASTENER LENGTH0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.335 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM ALL HOLES IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5625 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 7473 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 525340?
525340 is a 525340. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 525340?
525340 is cataloged in the U.S. Government catalog under NSN 5306-00-942-2547. 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.