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Technical Data Sheet
PartsTable / COMPONENT / 2900-2
2900-2 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

VALVE,REGULATING,FLUID PRESSURE. Key specifications include phase: SINGLE, head_style: FLAT CHAMFER, design_type: SINGLE ROD, head_height: 0.156 INCHES NOMINAL IN, current_type: AC, gaging_range: +0.5 TO 2.0 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-038-1068, 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
2900-2
NSN: 5305-00-038-1068
FSC: 5305
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
phaseSINGLE
head_styleFLAT CHAMFER
design_typeSINGLE ROD
head_height0.156 INCHES NOMINAL IN
current_typeAC
gaging_range+0.5 TO 2.0 INCHES IN
rod_quantity1
thread_class3A A
head_diameter0.500 INCHES NOMINAL IN
hole_diameter0.078 INCHES NOMINAL IN
hole_quantity2
thread_length0.312 INCHES MINIMUM IN
NSN5305-00-038-1068
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2900-2 · 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
•
SCREW SURFACE TREATMENT: CADMIUM
•
HEAD HOLE CONFIGURATION STYLE: ROUND
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
•
HOLE DIAMETER: 0.078 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD HEIGHT: 0.156 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: SLOT
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SCREW SURFACE TREATMENTCADMIUM
HEAD HOLE CONFIGURATION STYLEROUND
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
HOLE DIAMETER0.078 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
HEAD HEIGHT0.156 INCHES NOMINAL IN
INTERNAL DRIVE STYLESLOT
FASTENER LENGTH0.375 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
HOLE QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
29002Interchangeable
interchangeable cross-reference
interchangeable
631483C30Interchangeable
interchangeable cross-reference
interchangeable
63148C30Interchangeable
interchangeable cross-reference
interchangeable
R9417Interchangeable
interchangeable cross-reference
interchangeable
290 DREMELInterchangeable
interchangeable cross-reference
interchangeable
290-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2900-2?
2900-2 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 2900-2?
There are 8 known substitutes for 2900-2: 29002, 631483C30, 63148C30 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2900-2?
2900-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-038-1068. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026