PartsTable
Technical Data Sheet
S7-51 ✓ 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 COVER,FLUID STRAINER is a the manufacturer industrial component. Key specifications include special_features: NEXT HIGHER ASSEMBLY VD-1000-S AND VD-1250-S VERTICAL DUPLEX STRAINERS , SUPPLIED AS SET OF 2, attachment_method: BOLTED, peripheral_shape_style: CIRCULAR, end_item_identification: USCG CUTTER BOAT, LONG RANGE INTERCEPTOR-II 35FT (LRI-II) FT, mounting_opening_shape_style: UNTHREADED HOLE, fluid_filter_element_retainer: NOT INCLUDED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-724-5910, 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
S7-51
NSN: 5305-00-724-5910
FSC: 5305
CAGE: 44218 — NORWALK COMPRESEER COMPANY INC DBA NORWALK COMPRESSOR COMPANY (USA)
SPECIFICATIONS
special_featuresNEXT HIGHER ASSEMBLY VD-1000-S AND VD-1250-S VERTICAL DUPLEX STRAINERS , SUPPLIED AS SET OF 2
attachment_methodBOLTED
peripheral_shape_styleCIRCULAR
end_item_identificationUSCG CUTTER BOAT, LONG RANGE INTERCEPTOR-II 35FT (LRI-II) FT
mounting_opening_shape_styleUNTHREADED HOLE
fluid_filter_element_retainerNOT INCLUDED
reference_data_and_literatureCAGE INFO SHEET VD-S SERIES, 1 OF 1
mounting_hole_type_and_quantity1 PLAIN
part_name_assigned_by_controlling_agencyCOVER
NSN5305-00-724-5910
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S7-51 · 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 TREATMENT: CADMIUM AND CHROMATE OVERALL
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH: 63.0 MICROINCHES THREADS
MINIMUM YIELD STRENGTH: 85000 POUNDS PER SQUARE INCH LBS
HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH63.0 MICROINCHES THREADS
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
F137Interchangeable
interchangeable cross-reference
interchangeable
131024Interchangeable
interchangeable cross-reference
interchangeable
131024-1Interchangeable
interchangeable cross-reference
interchangeable
CCD 321A-3Interchangeable
interchangeable cross-reference
interchangeable
SL92103Interchangeable
interchangeable cross-reference
interchangeable
E9924Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S7-51?
S7-51 is a COVER,FLUID STRAINER.
What parts can replace S7-51?
There are 22 known substitutes for S7-51: F137, 131024, 131024-1 and 19 more. Substitute compatibility should be verified for your specific system.
Is S7-51 still available?
S7-51 is currently cancelled.
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