PartsTable
Technical Data Sheet
1904-37 ✓ 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 SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: ROUND, head_diameter: 5.0 MILLIMETERS NOMINAL MM, fastener_length: 11.3 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND, surface_treatment: NICKEL OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-617-3014, 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
1904-37
NSN: 5305-01-617-3014
FSC: 5305
CAGE: 76096 — ELMA ELECTRONIC INCORPORATED (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleROUND
head_diameter5.0 MILLIMETERS NOMINAL MM
fastener_length11.3 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
internal_drive_styleSLOT
end_item_identificationCD-200 K/U, CONTROL, COMMUNICATION SYSTEM
nominal_thread_diameter2.5 MILLIMETERS MM
thread_series_designatorM
external_thread_tolerance_class6G G
part_name_assigned_by_controlling_agencyROUND HEAD SCREW SLOTTED
NSN5305-01-617-3014
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1904-37 · 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
FASTENER LENGTH: 11.3 MILLIMETERS NOMINAL MM
EXTERNAL THREAD TOLERANCE CLASS: 6G G
THREAD DIRECTION: RIGHT-HAND
INTERNAL DRIVE STYLE: SLOT
HEAD DIAMETER: 5.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER: 2.5 MILLIMETERS MM
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH11.3 MILLIMETERS NOMINAL MM
EXTERNAL THREAD TOLERANCE CLASS6G G
PART NAME ASSIGNED BY CONTROLLING AGENCYROUND HEAD SCREW SLOTTED
THREAD DIRECTIONRIGHT-HAND
END ITEM IDENTIFICATIONCD-200 K/U, CONTROL, COMMUNICATION SYSTEM
INTERNAL DRIVE STYLESLOT
HEAD DIAMETER5.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER2.5 MILLIMETERS MM
HEAD STYLEROUND
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
31256Interchangeable
interchangeable cross-reference
interchangeable
19832Interchangeable
interchangeable cross-reference
interchangeable
MCE-06100-1250Interchangeable
interchangeable cross-reference
interchangeable
61006Interchangeable
interchangeable cross-reference
interchangeable
61256Interchangeable
interchangeable cross-reference
interchangeable
6125-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1904-37?
1904-37 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 1904-37?
There are 9 known substitutes for 1904-37: 31256, 19832, MCE-06100-1250 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1904-37?
1904-37 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-617-3014. This indicates validated use in U.S. government and defense supply chains.
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