PartsTable
Technical Data Sheet
203-38 ✓ 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

The REACTOR is a the manufacturer industrial component. Key specifications include width: 4.812 INCHES NOMINAL IN, height: 4.625 INCHES NOMINAL IN, bearings: NOT INCLUDED, material: PLASTIC, bore_type: STRAIGHT, face_width: 10.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-150-9264, 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
203-38
NSN: 5305-00-150-9264
FSC: 5305
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
width4.812 INCHES NOMINAL IN
height4.625 INCHES NOMINAL IN
bearingsNOT INCLUDED
materialPLASTIC
quantity1
bore_typeSTRAIGHT
face_width10.375 INCHES NOMINAL IN
head_styleFILLISTER
valve_size2.000 INCHES IN
body_height2.250 INCHES NOMINAL2.250 INCHES NOMINAL IN
bonnet_typeINSIDE SPRING
bore_length4.875 INCHES NOMINAL IN
NSN5305-00-150-9264
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 203-38 · 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
THREAD LENGTH: 0.984 INCHES MINIMUM AND 1.079 INCHES MAXIMUM IN
FASTENER LENGTH: 1.125 INCHES NOMINAL IN
THREAD DIRECTION: RIGHT-HAND
HEAD DIAMETER: 0.309 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
THREAD QUANTITY PER INCH: 20
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
HOLE QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.984 INCHES MINIMUM AND 1.079 INCHES MAXIMUM IN
FASTENER LENGTH1.125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
HEAD DIAMETER0.309 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
THREAD QUANTITY PER INCH20
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
HOLE QUANTITY1
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
HOLE DIAMETER0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
M4000-230Interchangeable
interchangeable cross-reference
interchangeable
L-150OHMSPORM10PCTInterchangeable
interchangeable cross-reference
interchangeable
60270Interchangeable
interchangeable cross-reference
interchangeable
20338Interchangeable
interchangeable cross-reference
interchangeable
325C135Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-6855Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203-38?
203-38 is a REACTOR.
What parts can replace 203-38?
There are 17 known substitutes for 203-38: M4000-230, L-150OHMSPORM10PCT, 60270 and 14 more. Substitute compatibility should be verified for your specific system.
Is 203-38 still available?
203-38 is currently cancelled.
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