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P37551 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

P37551: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.308 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN, thread_length: 0.338 INCHES NOMINAL IN, screw_material: STEEL CORROSION RESISTING.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-515-5287, 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
P37551
NSN: 5305-01-515-5287
FSC: 5305 — Screws
CAGE: U1604 — MARTIN-BAKER AIRCRAFT COMPANY LIMITED (GBR)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.308 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
thread_length0.338 INCHES NOMINAL IN
screw_materialSTEEL CORROSION RESISTING
fastener_length1.262 INCHES MINIMUM AND 1.292 INCHES MAXIMUM IN
special_featuresINTERNAL DRIVE STLE IS OFFSET CRUCIFORM PER MS14191
thread_directionRIGHT-HAND
internal_drive_styleTORQUE SET
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentPASSIVATE OR CADMIUM
NSN5305-01-515-5287
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: P37551 · 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: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE OR CADMIUM
•
FASTENER LENGTH: 1.262 INCHES MINIMUM AND 1.292 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7479 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.338 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE OR CADMIUM
FASTENER LENGTH1.262 INCHES MINIMUM AND 1.292 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7479 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.338 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
SPECIAL FEATURESINTERNAL DRIVE STLE IS OFFSET CRUCIFORM PER MS14191
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 P37551?
P37551 is a SCREW,MACHINE.
What is the NSN for P37551?
P37551 is cataloged in the U.S. Government catalog under NSN 5305-01-515-5287. This indicates validated use in U.S. government and defense supply chains.
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