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Technical Data Sheet
PartsTable / COMPONENT / 997-DPC12
997-DPC12 ✓ 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,ADJUSTING,VALVE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-057-9872, 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
997-DPC12
NSN: 5305-01-057-9872
FSC: 5305
CAGE: 75545 — LAWLER MANUFACTURING COMPANY, INC. (USA)
SPECIFICATIONS
Part Number997-DPC12
NSN5305-01-057-9872
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 997-DPC12 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: NICKEL-COPPER ALLOY,QQ-N-281; 5.391 IN. O/A LG,1.375 IN. LARGEST OD,0.500 IN. SMALLEST OD ONE END,1.000 IN. SMALLEST OD OTHER END; WITH TWO GROOVES ON ONE END,90 DEG ANGULAR SHAPE,0.015 IN. DEEP SPACED 0.375 IN. APART; THD ID,3/4 IN. 16 THD,1.000 IN. DEEP,0.688 IN. DRILL,1.125 IN. DEEP ONE END,THD OD 5/8 IN. 11 LH THD,0.281 IN. DRILL OTHER END; WITH TWO NO. 4-40-2 THD THRU HOLES ON THD ID END IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONNICKEL-COPPER ALLOY,QQ-N-281; 5.391 IN. O/A LG,1.375 IN. LARGEST OD,0.500 IN. SMALLEST OD ONE END,1.000 IN. SMALLEST OD OTHER END; WITH TWO GROOVES ON ONE END,90 DEG ANGULAR SHAPE,0.015 IN. DEEP SPACED 0.375 IN. APART; THD ID,3/4 IN. 16 THD,1.000 IN. DEEP,0.688 IN. DRILL,1.125 IN. DEEP ONE END,THD OD 5/8 IN. 11 LH THD,0.281 IN. DRILL OTHER END; WITH TWO NO. 4-40-2 THD THRU HOLES ON THD ID END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3039Interchangeable
interchangeable cross-reference
interchangeable
GE3039Interchangeable
interchangeable cross-reference
interchangeable
4650-2Interchangeable
interchangeable cross-reference
interchangeable
2623131Interchangeable
interchangeable cross-reference
interchangeable
4650-12Interchangeable
interchangeable cross-reference
interchangeable
3214497Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 997-DPC12?
997-DPC12 is a SCREW,ADJUSTING,VALVE.
What parts can replace 997-DPC12?
There are 17 known substitutes for 997-DPC12: 3039, GE3039, 4650-2 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 997-DPC12?
997-DPC12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-057-9872. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026