PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 853-003
853-003 ✓ 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 filter: NOT INCLUDED, material: IRON CAST BODY, regulation_type: AUTOMATIC DOUBLE STAGE, special_features: VALVE SIZE 1.500 IN. IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-637-6631, 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
853-003
NSN: 5305-00-637-6631
FSC: 5305
CAGE: 19203 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV US ARMY RESEARCH, DEVELOPMENT AND ENGINEERING COMMAND ARMAMENT (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialIRON CAST BODY
regulation_typeAUTOMATIC DOUBLE STAGE
special_featuresVALVE SIZE 1.500 IN. IN
NSN5305-00-637-6631
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 853-003 · 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 CLASS: 2A A
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
HEAD DIAMETER: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
SCREW MATERIAL: STEEL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
THREAD LENGTH0.500 INCHES NOMINAL IN
HEAD DIAMETER0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
SCREW MATERIALSTEEL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.250 INCHES IN
INTERNAL DRIVE STYLESLOT
FASTENER LENGTH0.500 INCHES NOMINAL IN
HEAD HEIGHT0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
853-003Interchangeable
interchangeable cross-reference
interchangeable
853-3Interchangeable
interchangeable cross-reference
interchangeable
FFS92TYPE1STYLE9SInterchangeable
Same NIIN cross-reference
interchangeable
MS35226-79Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 853-003?
853-003 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 853-003?
There are 4 known substitutes for 853-003: 853-003, 853-3, FFS92TYPE1STYLE9S and 1 more. Substitute compatibility should be verified for your specific system.
Is 853-003 still available?
853-003 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026