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Technical Data Sheet
PartsTable / COMPONENT / 213994
213994 ✓ 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,U is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1335 OR STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 8630 OVERALL, thread_class: 3A A, thread_length: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL, special_features: BEND FLATTENED TO 0.140 IN. MIN THICKNESS IN, style_designator: ROUND BEND.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-174-4312, 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
213994
NSN: 5306-00-174-4312
FSC: 5306
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1335 OR STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 8630 OVERALL
thread_class3A A
thread_length0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
special_featuresBEND FLATTENED TO 0.140 IN. MIN THICKNESS IN
style_designatorROUND BEND
thread_directionRIGHT-HAND
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
inside_distance_between_shanks1.096 INCHES NOMINAL IN
material_document_and_classificationASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5306-00-174-4312
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 213994 · 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
•
INSIDE DISTANCE BETWEEN SHANKS: 1.096 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD QUANTITY PER INCH: 24
•
MATERIAL: STEEL COMP 1335 OR STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 8630 OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: ROUND BEND
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DISTANCE BETWEEN SHANKS1.096 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
SPECIAL FEATURESBEND FLATTENED TO 0.140 IN. MIN THICKNESS IN
THREAD QUANTITY PER INCH24
MATERIALSTEEL COMP 1335 OR STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 8630 OVERALL
THREAD DIRECTIONRIGHT-HAND
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORROUND BEND
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END1.754 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
10-00275-006Interchangeable
interchangeable cross-reference
interchangeable
RNC50H1002FSInterchangeable
interchangeable cross-reference
interchangeable
307-0589-00Interchangeable
interchangeable cross-reference
interchangeable
2410 1-31/32Interchangeable
interchangeable cross-reference
interchangeable
110 1-31/32Interchangeable
interchangeable cross-reference
interchangeable
53226Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 213994?
213994 is a BOLT,U.
What parts can replace 213994?
There are 16 known substitutes for 213994: 10-00275-006, RNC50H1002FS, 307-0589-00 and 13 more. Substitute compatibility should be verified for your specific system.
Is 213994 still available?
213994 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