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Technical Data Sheet
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19-2856 — Technical Data Sheet

✓ 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 CARTRIDGE ASSEMBLY,ATOMIZER 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 under NSN 5325-00-020-3607, 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
19-2856
NSN: 5325-00-020-3607
FSC: 5325
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)
SPECIFICATIONS
Part Number19-2856
NSN5325-00-020-3607
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 19-2856 · 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
•
MATERIAL ACCOMMODATED THICKNESS: 0.322 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
•
DIAMETER: 0.441 INCHES NOMINAL IN
•
MINOR DIAMETER: 0.272 INCHES NOMINAL IN
•
DRIVE TYPE: SOCKET
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
•
EXTENSION LENGTH: 0.361 INCHES NOMINAL IN
•
STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.190-32 UNF
TECHNICAL CHARACTERISTICS
MATERIAL ACCOMMODATED THICKNESS0.322 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
DIAMETER0.441 INCHES NOMINAL IN
MINOR DIAMETER0.272 INCHES NOMINAL IN
DRIVE TYPESOCKET
TURNLOCK STUD SHANK STYLESTUD SHANK
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
EXTENSION LENGTH0.361 INCHES NOMINAL IN
STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR0.190-32 UNF
GRIP LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
4790InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4217DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4790 PIECE 16InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C3198-5-6InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19-2856?
19-2856 is a CARTRIDGE ASSEMBLY,ATOMIZER.
What parts can replace 19-2856?
There are 4 known substitutes for 19-2856: 4790, 4217D, 4790 PIECE 16 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 19-2856?
19-2856 is cataloged in the Federal Logistics Information System under NSN 5325-00-020-3607. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026