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Technical Data Sheet
PartsTable / COMPONENT / 70958
70958 ✓ Verified by PartsTable
Hama · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

- Colour-neutral<br>- Protects the lens against scratches, dust and finger-marks<br>- Multi-layer coating (HTMC): four layers of coating are vapour-deposited on each side<br>- Quality standard (glass): TechLine <br><br>- Impact of the picture:<br>- Clear, sharp photos in colour and black/white<br>- Blocks UV rays up to 390 nm<br>- Filters haze and avoids unsharpness This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-118-9288, 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
70958
NSN: 5330-00-118-9288
FSC: 5330
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
unit_typeTAPERED
screw_size0.562 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
flute_designSTRAIGHT
supplementary_featuresSMALL END 11/32 INCH; SHANK SIZE 3/8 INCH; HOLE DEPTH 5/8 INCH MINIMUM; OVERALL LENGTH 3-1/4 INCHES NOMINAL IN
nondefinitive_spec/std_data4 TYPE
specification/standard_data05047-ASME B107.410 CAT 46 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5330-00-118-9288
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 70958 MFR: Hama ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.667 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
FSC APPLICATION DATA: ENGINE,RECIPROCATING,AIRCRAFT
•
CROSS-SECTIONAL SHAPE STYLE: CUP
•
PERIPHERAL DIAMETER: 2.662 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.074 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.400 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.667 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
FSC APPLICATION DATAENGINE,RECIPROCATING,AIRCRAFT
CROSS-SECTIONAL SHAPE STYLECUP
PERIPHERAL DIAMETER2.662 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.074 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.400 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
7095BInterchangeable
interchangeable cross-reference
interchangeable
D49-30-UU-0-1/2Interchangeable
interchangeable cross-reference
interchangeable
D49-30UU-07Interchangeable
interchangeable cross-reference
interchangeable
B107.46Interchangeable
interchangeable cross-reference
interchangeable
FRS 9526Interchangeable
interchangeable cross-reference
interchangeable
70-958Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 70958?
70958 is a VALVE,SAFETY RELIEF manufactured by Hama.
What parts can replace 70958?
There are 6 known substitutes for 70958: 7095B, D49-30-UU-0-1/2, D49-30UU-07 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 70958?
70958 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-118-9288. 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