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Technical Data Sheet
PartsTable / COMPONENT / STD1204
STD1204 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, head_height: 0.160 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-028-4204, 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
STD1204
NSN: 5306-00-028-4204
FSC: 5306
CAGE: R1120 — SATAIR A/S (DNK)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
head_height0.160 INCHES NOMINAL IN
thread_class3A A
thread_length0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
fastener_length0.940 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OVERALL
width_between_flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
NSN5306-00-028-4204
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: STD1204 · 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
•
HEAD HEIGHT: 0.160 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
WIDTH BETWEEN FLATS: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
GRIP LENGTH: 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.160 INCHES NOMINAL IN
HEAD STYLEHEXAGON
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
GRIP LENGTH0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH20
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
352106Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYFSZ27Interchangeable
interchangeable cross-reference
interchangeable
35210Interchangeable
interchangeable cross-reference
interchangeable
3312 27Interchangeable
interchangeable cross-reference
interchangeable
052-946-8139-319Interchangeable
interchangeable cross-reference
interchangeable
LW25-0-94Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is STD1204?
STD1204 is a BOLT,MACHINE.
What parts can replace STD1204?
There are 6 known substitutes for STD1204: 352106, NAS907 TYFSZ27, 35210 and 3 more. Substitute compatibility should be verified for your specific system.
Is STD1204 still available?
STD1204 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