ASNA2397 at a glance
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Specification
| Item | Value |
|---|---|
| Type | Flat washer |
| Status | Cross-only card: the suffix is the AN960 suffix. Reference data transcribed from the standard, units marked row by row. Check the issue of the standard in force before design use. |
Part numbers
| Part no. | Size |
|---|---|
| ASNA2397-10 | = AN960-10 |
| ASNA2397-11 | = AN960-11 |
| ASNA2397-8 | = AN960-8 |
| ASNA2397-9 | = AN960-9 |
| ASNA2397C10 | = AN960C10 |
| ASNA2397C4 | = AN960C4 |
| ASNA2397C4L | = AN960C4L |
| ASNA2397D10 | = AN960D10 |
| ASNA2397JD10 | = AN960JD10 |
| ASNA2397JD416 | = AN960JD416 |
| ASNA2397JD416L | = AN960JD416L |
| ASNA2397JD6L | = AN960JD6L |
| Part no. | Size |
|---|---|
| ASNA2397KD10 | = AN960KD10 |
| ASNA2397KD10L | = AN960KD10L |
| ASNA2397KD10LL | = AN960KD10LL |
| ASNA2397KD6 | = AN960KD6 |
| ASNA2397KD6L | = AN960KD6L |
| ASNA2397KD716 | = AN960KD716 |
| ASNA2397KD8 | = AN960KD8 |
| ASNA2397KD816 | = AN960KD816 |
| ASNA2397KD816L | = AN960KD816L |
| ASNA2397KD8L | = AN960KD8L |
| ASNA2397KD916L | = AN960KD916L |
Numbers seen in the cross data; each suffix is an AN960 suffix.
Part number
How to read it
| Segment | Reads as ASNA2397-8 |
|---|---|
| ASNA2397 Standard | Flat washer, AN960 equivalent.Unit of the code: None: the number of the standardFrom: The standard |
| - Material | Carbon steel, cadmium plated (QQ-P-416 Type II Class 2); the hyphen is part of the part number, e.g. AN960-10Unit of the code: Letters, no unitFrom: The AN960 letters (AN960 data sheet of this site) |
| 8 Size | For screw size 8, as AN960.Unit of the code: Screw size number, or n/16 in written n16 (as AN960)From: The AN960 suffix |
| (none) Thin | No L: regular thickness, not the light (thin) series.Unit of the code: Letter, no unitFrom: The AN960 letter L |
Worked example. ASNA2397-8 reads: ASNA2397 flat washer · - Carbon steel · 8 screw #8 · regular thickness (no L).
From a measured hole or stack to the code
- Bolt or screw to size code. As AN960: the screw size number (#8 → 8, #10 → 10), or n/16 in written n16 from 1/4 in up (1/4 in → 416, 9/16 in → 916).
If a segment is missing
- Without the standard number the codes cannot be read.
- No letter: the hyphen of AN960, Carbon steel, cadmium plated.
- No L: not the light (thin) series.
What each code means
| Part | Meaning |
|---|---|
| Example | ASNA2397-8 — = NAS1149FN832P = AN960-8 (screw size number 8) |
Notes
- Part number: ASNA2397 + the AN960 suffix. The number is the screw size (#8, #10) or n/16 in (416 = 1/4 in … 916 = 9/16 in); L = light (thin); C = stainless; D = aluminium alloy; other letters as on AN960.
- The ASNA source states no unit: the washer is inch by its AN960 equivalence. The sizes and thickness are those of the AN960 data sheet.
- NSN-backed pair seen: ASNA2397-8 = NAS1149FN832P (NSN 5310-01-384-2951) = AN960-8.
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Sources
- ASNA2397 standard (ASNA series) — Codes, tables, tooling and inspection limits transcribed into the reference data of The Aviation Point. The text of the standard is not reproduced. Check the issue in force before design use.
- US federal item records (NSN) and distributor listings — Partner numbers. The evidence is named on each cross line: federal NSN record, manufacturer catalogue, or distributor listing (alternate, not identical).
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.